What are the top 10 blow molding machine manufacturers in China?

When searching for an  automatic blow molding machine manufacturer in China, buyers usually compare production capacity, automation, machine quality, technology, energy consumption, customization, warranty, technical support, and international service. China has a large and diverse plastics-machinery industry, with manufacturers specializing in PET stretch blow molding, extrusion blow molding, and complete plastic packaging solutions.

Among the companies worth evaluating are Taizhou Baoji Technology Co., Ltd., TECH-LONG, Demark, JWELL, Tongda, FAYGO UNION, ZQ Machinery, WATON Machinery, TONVA, and Shuanghao.

This list is not an official industry ranking. Instead, it is a practical shortlist based on publicly available manufacturer information, product range, technical specialization, production capabilities, and suitability for different bottle-manufacturing applications.

For businesses looking for PET bottle production equipment, the best supplier depends on the required bottle size, material, production volume, mold design, automation level, factory utilities, and total project budget.

How We Selected These Chinese Blow Molding Machine Manufacturers

A good bottle-making machine supplier should offer more than an attractive machine price. International buyers should evaluate the complete technical and commercial package.

Important criteria include:

• Experience in blow molding technology
• Automatic and semi-automatic machine options
• PET or extrusion blow molding capabilities
• Production speed and cavity configuration
• Machine control and automation
• Energy and compressed-air efficiency
• Mold compatibility
• Quality testing
• Installation and commissioning
• Spare-parts availability
• Warranty and after-sales support
• International export experience

Buyers should also verify technical documentation and applicable safety requirements for their destination market. For example, the European Union’s Machinery Regulation establishes health and safety requirements for machinery placed on the EU market.

Top 10 Blow Molding Machine Manufacturers in China

1. Taizhou Baoji Technology Co., Ltd.

Taizhou Baoji Technology Co., Ltd. is a Chinese plastics machinery manufacturer based in Taizhou, Zhejiang. The company states that its factory has specialized in plastic machinery and PET molds since 2001.

Baoji’s product range includes automatic PET bottle blowing machines, semi-automatic PET machines, small bottle systems, 5-gallon equipment, PET bottle molds, auxiliary equipment, and injection-related machinery.

Its automatic PET range includes multi-cavity rotary machines. One listed 8-cavity model is specified at approximately 15,000–16,000 bottles per hour, with a maximum listed bottle volume of 600 ml. The machine uses six servo motors, an XINJIE PLC, and SMC pneumatic components.

The company’s product range makes it particularly relevant for buyers looking for PET bottle manufacturing equipment at different production levels.

Best suited for: PET water bottles, beverage bottles, high-volume production, smaller automatic systems, and businesses seeking machine-and-mold sourcing.

View Baoji automatic PET blowing machines

2. TECH-LONG

TECH-LONG is a major Chinese packaging machinery company with a strong focus on PET bottle production and beverage packaging.

TECH-LONG states that it was established in Guangzhou in 1998 and has developed high-speed rotary PET blow molding technology. Its CPX G6 series is designed for high-speed production, with the company stating output of up to 2,800 bottles per cavity per hour in its specified configuration.

The company also provides broader packaging-line solutions, making it relevant for beverage manufacturers looking beyond an individual bottle machine.

Best suited for: Large beverage companies, high-speed PET production, and integrated packaging projects.

3. Demark

Demark is a Zhejiang-based PET packaging machinery supplier specializing in complete PET production solutions.

Its portfolio includes PET preform injection molding machines, preform molds, PET stretch blow molding machines, cap compression machines, and blowing-filling-capping systems. The company states that its products are exported to more than 100 countries.

Demark can be attractive for manufacturers that want to coordinate multiple stages of PET packaging production through one supplier.

Best suited for: PET preform-to-bottle production lines, beverage packaging, and turnkey projects.

4. JWELL Machinery

JWELL Machinery is one of China’s major plastics machinery groups, particularly known for extrusion technology.

JWELL also manufactures blow molding equipment and has multiple production bases in China. In 2024, JWELL acquired most of the business operations and assets of German blow molding specialist Kautex, strengthening its position in high-end extrusion blow molding technology.

Kautex continues as a brand within the JWELL group and specializes in extrusion blow molding systems for industrial packaging, automotive, and other applications.

Best suited for: Industrial extrusion blow molding, large containers, automotive applications, and advanced blow molding systems.

5. Suzhou Tongda Machinery

Tongda Blow Molding specializes in extrusion blow molding machinery and complete plant solutions.

Tongda states that it was founded in 1999 and serves more than 120 countries and regions, with more than 10,000 machine sets delivered. It also states that it has ranked among China’s top three extrusion blow molding equipment enterprises for 15 consecutive years.

Its technology is applicable to chemical packaging, automotive products, agricultural products, food packaging, medical products, logistics equipment, and other industrial applications.

Best suited for: HDPE containers, chemical packaging, industrial products, automotive components, and large extrusion-blow applications.

6. FAYGO UNION

FAYGO UNION operates FAYGOBLOW as a division focused on blow molding machinery for PET and other plastics.

Its automatic PET range includes linear and rotary machines. The company states that its FG series includes 4-, 6-, and 8-cavity configurations, with models reaching a stated maximum speed of approximately 13,000 BPH.

FAYGO also manufactures extrusion machinery, recycling equipment, and air compressors, which can be useful for businesses developing a broader plastics-processing facility.

Best suited for: PET bottle production, plastic extrusion, recycling, and businesses seeking multiple types of plastics machinery.

7. ZQ Machinery

ZQ Machinery is based in Huangyan, Taizhou, Zhejiang, an important Chinese plastics-machinery manufacturing region.

ZQ produces PET stretch blow molding machines, PE blow molding machines, molds, and auxiliary equipment. Its product range includes fully automatic PET machines, high-speed rotary systems, and machines for bottles up to larger capacities.

For example, its ZQ-B series is described as a fully automatic two-step PET stretch blow molding system with configurations ranging from one to six cavities and stated capacities reaching 8,000 BPH depending on the configuration.

Best suited for: PET bottles, PE containers, larger bottles, edible-oil packaging, and flexible blow molding applications.

8. WATON Machinery

WATON Machinery is a Taizhou-based manufacturer specializing in PET stretch blow molding equipment.

The company states that its team has more than 20 years of production experience and develops full-servo, all-electric PET bottle blowing machines. Its product range includes high-speed machines such as a six-cavity model with a stated output of 10,000 bottles per hour.

WATON also promotes automatic and semi-automatic PET systems and turnkey PET bottle production solutions.

Best suited for: PET water and beverage bottles, energy-efficient systems, and customized PET production lines.

9. TONVA Plastics Machine

TONVA Plastics Machine is another established Chinese manufacturer in the blow molding sector.

Industry listings describe Zhejiang TONVA Plastics Machine Co., Ltd. as established in 1993 and producing blow molding machines, PET stretch blow molding machines, molds, and auxiliary equipment. Its equipment covers a broad range of hollow plastic products, from relatively small containers to large industrial products.

This broad product coverage can make TONVA relevant when the application is not limited to conventional PET beverage bottles.

Best suited for: PET stretch blow molding, extrusion blow molding, industrial containers, household products, and specialized hollow plastic products.

10. Shuanghao Machinery

Shuanghao Machinery is based in Huangyan, Taizhou, Zhejiang, and focuses on PET bottle blow molding equipment.

Its portfolio includes fully automatic PET stretch blow molding machines and semi-automatic PET bottle blowing machines. The company states that its machines can produce bottles for applications including water, juice, carbonated drinks, vegetable oil, cosmetics, pharmaceuticals, and personal-care products.

Best suited for: PET packaging, water bottles, beverage containers, cosmetics, and small-to-medium production projects.

Which Chinese Blow Molding Manufacturer Is Best for PET Bottles?

There is no universal winner because different factories have different requirements.

For example, a beverage company requiring very high production volume may prioritize high-speed rotary equipment and integrated filling solutions. A smaller manufacturer may instead prioritize lower investment, easier operation, and a compact machine.

Baoji is particularly worth considering for buyers seeking a combination of automatic and semi-automatic PET bottle machines, different cavity configurations, PET molds, and related equipment.

Its listed 8-cavity system, for example, has a stated capacity of approximately 15,000 BPH and is designed for high-volume PET bottle production.

See Baoji’s 8-cavity 15,000 BPH PET bottle machine

How Do You Choose the Right PET Bottle Blowing Machine?

Before requesting quotations, prepare a detailed technical specification.

1. Define Bottle Size

Specify bottle volume, height, diameter, neck finish, and shape.

A 500 ml water bottle requires a different configuration from a 5-liter or 20-liter container.

2. Calculate Required BPH

Determine how many bottles your factory needs per hour and per day.

Do not compare manufacturers only by their maximum advertised BPH. Actual production can depend on bottle design, preform weight, mold configuration, heating conditions, and operating parameters.

3. Check Preform Compatibility

The PET preform is fundamental to the blowing process. Ask the manufacturer to verify your preform dimensions, weight, neck finish, and material.

4. Evaluate the Mold

The mold determines the final bottle shape and dimensions. Therefore, machine and mold compatibility should be evaluated together.

Baoji also supplies PET bottle molds, including molds for different bottle capacities.

Explore PET bottle mold options from Baoji

5. Compare Total Ownership Cost

The purchase price is only one part of the investment.

Consider:

• Electricity consumption
• Compressed-air consumption
• Cooling requirements
• Mold costs
• Spare parts
• Maintenance
• Labor
• Installation
• Shipping
• Training
• Warranty

A slightly more expensive machine can sometimes provide better long-term economics if it offers higher productivity and lower operating costs.

Why Testing Matters Before Buying a Bottle Machine

International machinery buyers should request testing whenever possible.

Ask the manufacturer to test the actual preform and bottle design and provide sample results.

Important questions include:

• What BPH was achieved?
• What preform weight was used?
• Which mold was used?
• What air pressure was required?
• What was the heating configuration?
• Were bottles inspected for defects?
• Can the supplier provide test videos?
• What production performance is included in the contract?

Baoji states on its product information that certain machine configurations include bottle-drawing support and free preform testing. Its listed high-speed model also includes a machinery test report and video outgoing inspection.

What Should International Buyers Check Before Ordering?

A professional purchasing process should include technical, commercial, and compliance checks.

Request:

1. Detailed machine specifications
2. Bottle drawings
3. Preform specifications
4. Mold drawings
5. Electrical requirements
6. Air-consumption data
7. Production-capacity confirmation
8. Warranty terms
9. Spare-parts list
10. Installation requirements
11. Operator training information
12. Applicable compliance documentation

For European projects, buyers should independently review the applicable machinery requirements and conformity obligations under the relevant EU legislation. The official EU Machinery Regulation is available through EUR-Lex.

Final Verdict: Which Chinese Manufacturer Should You Consider?

China has many capable manufacturers, and the right choice depends on the application rather than a simple “number one” ranking.

For high-speed PET bottle production, companies such as TECH-LONG, Demark, WATON, FAYGO UNION, ZQ Machinery, and Taizhou Baoji Technology are worth comparing. For extrusion blow molding and larger industrial containers, JWELL/Kautex and Tongda are particularly relevant. TONVA and Shuanghao provide additional options across PET and other blow molding applications.

For buyers specifically looking for a Chinese supplier of PET bottle blowing equipment, Taizhou Baoji Technology Co., Ltd. is a manufacturer worth including in the shortlist. Its product range covers automatic and semi-automatic PET machines, multi-cavity high-speed systems, smaller bottle machines, 5-gallon equipment, PET molds, and auxiliary machinery.

Ultimately, the best machine is the one that matches your bottle design, preform, mold, production target, factory utilities, quality requirements, budget, and long-term service needs.

If you are comparing Chinese suppliers, request the same technical specification from each manufacturer and evaluate actual production performance—not just the quoted machine price.

Contact Taizhou Baoji Technology for a PET bottle machine solution

Frequently Asked Questions

Who are the top blow molding machine manufacturers in China?

Some notable companies include Taizhou Baoji Technology, TECH-LONG, Demark, JWELL, Tongda, FAYGO UNION, ZQ Machinery, WATON, TONVA, and Shuanghao. The best choice depends on the specific blow molding application.

Which company is best for PET bottle blowing machines?

For PET bottles, buyers can compare Baoji, TECH-LONG, Demark, WATON, FAYGO UNION, ZQ Machinery, and other specialized suppliers based on capacity, automation, bottle specifications, technology, service, and total ownership cost.

What is the difference between PET stretch blow molding and extrusion blow molding?

PET stretch blow molding generally uses PET preforms that are heated, stretched, and blown inside molds to produce bottles. Extrusion blow molding forms a plastic tube, called a parison, which is then captured and inflated inside a mold. The appropriate process depends on the material and final product.

How much does a Chinese blow molding machine cost?

Pricing varies significantly according to machine type, cavity number, production speed, automation, bottle size, mold requirements, components, and auxiliary equipment. Buyers should request a project-specific quotation instead of relying on a generic machine price.

What should I send a manufacturer when requesting a quotation?

Provide the bottle drawing, bottle volume, dimensions, neck finish, preform information, required production capacity, material, electrical supply, target market, and preferred automation level. This allows manufacturers to recommend a more appropriate configuration.