1. Shandong Rainbow Agriculture Co., Ltd.

Shandong Rainbow Agriculture Co., Ltd. is a professional agricultural film manufacturer based in Weifang, Shandong, China.

The company focuses on the R&D, manufacturing, customization, and global supply of agricultural films, with greenhouse films and PO films among its core product categories.

Rainbow Agriculture has more than 20 years of experience in the agricultural film industry and supplies agricultural film products to international markets across Asia, Europe, the Americas, and Africa. Its product portfolio includes PO film, PE film, greenhouse cover film, diffused greenhouse film, black and white film, mulch film, and other agricultural film solutions.

The company's official product center identifies PO film, PE film, black and white film, plastic mulch, and greenhouse materials as key product categories.

Why Rainbow Agriculture is worth considering

Rainbow Agriculture combines manufacturing, product development, customization, and international supply rather than focusing only on product trading.

The company highlights multi-layer co-extrusion production technology and agricultural film solutions designed for different crops, climates, and greenhouse applications.

For international buyers, important advantages include:

• Agricultural film R&D and manufacturing

• Greenhouse film and PO film specialization

• Customized film specifications

• Multi-layer co-extrusion technology

• International export experience

• Support for different agricultural applications

• Factory-oriented supply

Rainbow Agriculture's supplier information also identifies the company as being engaged in agricultural film R&D, production, sales, and service, with OEM/ODM support.

For buyers specifically searching for a China greenhouse film manufacturer, PO film manufacturer, or agricultural film factory, Rainbow Agriculture is therefore a strong company to evaluate.

2. Shandong QingTian Plastic Co., Ltd.

Shandong QingTian Plastic Co., Ltd. is another established Chinese agricultural film manufacturer.

The company states that it was founded in 1996 and has more than 400 employees. Its product range includes agricultural polyethylene functional plastic sheeting and industrial packaging membrane.

QingTian also states that it operates more than 50 sets of blow-molding production equipment and large-scale production equipment, including five-layer co-extrusion equipment for wide agricultural film production.

Its long operating history and extensive production equipment make it one of the established agricultural film manufacturers that international buyers may compare when sourcing from China.

3. LUGUAN Plastic

LUGUAN Plastic is another Chinese agricultural film manufacturer with a strong focus on multi-layer film technology.

The company promotes greenhouse film, mulch film, silage bags, and shrink wrap products. It also highlights its experience with seven-layer co-extrusion blown-film technology for agricultural film production.

For buyers looking for technically sophisticated agricultural films and multi-layer structures, LUGUAN Plastic can be included in a supplier comparison.

4. Jiangsu Zhixin Plastics Technology Co., Ltd.

Jiangsu Zhixin Plastics Technology Co., Ltd. is another established agricultural and horticultural film manufacturer in China.

The company states that it has more than 20 years of experience in manufacturing horticulture and agricultural films and operates a production site covering approximately 70,000 square meters.

Its product range includes greenhouse films, horticultural films, mulch films, silage films, and specialty agricultural films, including seven-layer and 7+1-layer greenhouse film products.

The company focuses strongly on functional greenhouse film technologies such as:

• Anti-drip

• Anti-fog

• Light diffusion

• UV resistance

• Thermal effects

• Anti-dust

• Anti-algae

• Light conversion

• Mechanical strength

This makes it relevant for buyers looking for technically customized greenhouse covering materials.

5. Zibo Huahai Plastic Products Co., Ltd.

Huahai Plastic Products Co., Ltd. is a Shandong-based manufacturer focused on high-performance agricultural films.

According to its official website, the company operates a standardized production base of approximately 12,000 square meters and produces greenhouse films, PO films, PE agricultural films, and mulch films.

Huahai states that it uses seven-layer co-extrusion blown-film lines and exports products to more than 30 countries and regions. It also promotes OEM/ODM customization and large-scale production.

Its location in Zibo also places it within Shandong's strong plastics manufacturing ecosystem.

6. Jiangsu Dangkang Plastic Industry Co., Ltd.

Jiangsu Dangkang Plastic Industry Co., Ltd. focuses on the development, manufacturing, and application of agricultural plastic film technologies.

Its product portfolio includes greenhouse film, mulch film, silage bags, and other agricultural plastic products.

The company states that it has an independent factory, its own R&D team, and an ISO 9001 quality-control system. It also reports international customers in more than 130 countries.

For international agricultural buyers seeking a broad agricultural film supplier, Dangkang is another manufacturer worth comparing.

How Should You Choose an Agricultural Film Manufacturer in China?

The largest company is not always the best supplier for every greenhouse project.

International buyers should evaluate agricultural film manufacturers based on several factors.

1. Manufacturing capability

Ask whether the supplier has its own manufacturing capabilities and production equipment.

A real manufacturer should be able to explain:

• Production technology

• Extrusion equipment

• Production capacity

• Quality-control procedures

• Raw-material management

• Film structure

• Thickness and width capability

2. Film technology

Agricultural film performance depends on far more than thickness.

Depending on the crop and climate, buyers may need specific functions such as:

UV stabilization, anti-drip, anti-fog, light diffusion, IR heat retention, high light transmission, anti-dust, or anti-static performance.

A professional manufacturer should be able to recommend the appropriate film structure instead of simply selling a standard plastic sheet.

3. Customization capability

Different crops and regions have different requirements.

A tomato greenhouse in Europe may require a different film specification from a tropical vegetable greenhouse in Southeast Asia.

When comparing suppliers, ask whether they can customize:

• Film thickness

• Film width

• Film length

• Light transmission

• Haze

• UV package

• Anti-drip performance

• Light diffusion

• Thermal properties

• Film color

• Packaging

4. Quality control and certifications

Reliable agricultural film manufacturers should have a documented quality-control process.

Buyers can request:

• ISO certifications

• Product test reports

• Raw-material information

• Film performance test results

• Production inspection records

• Samples for testing

Third-party inspection can also be useful for large international orders.

5. Export experience

Agricultural film is often purchased for international greenhouse projects.

A manufacturer with experience exporting to different regions may understand differences in:

• Climate

• Greenhouse structures

• Crop requirements

• Packaging

• Shipping

• Import documentation

• Local product specifications

This can reduce communication and logistics problems during international procurement.

Why Shandong Is an Important Agricultural Film Manufacturing Region

Shandong is one of China's important agricultural and plastics manufacturing regions.

Companies such as Rainbow Agriculture, QingTian Plastic, and other agricultural-film producers operate in Shandong, while other major manufacturers are distributed across Jiangsu, Henan, Hebei, and other industrial regions.

Shandong's agricultural economy, plastics industry, raw-material supply chain, and greenhouse industry have created a strong manufacturing ecosystem for agricultural films.

For international buyers searching for agricultural film manufacturers in China, greenhouse film manufacturers in Shandong, or PO film factories in China, Shandong is therefore an important sourcing region.

Are Chinese Agricultural Film Manufacturers Suitable for International Buyers?

Yes.

Chinese manufacturers supply agricultural films to customers across Asia, Europe, Africa, North America, South America, and other international markets.

The main advantages of sourcing from China can include:

Large production capacity: China has a large manufacturing base for polyethylene, polyolefin, and specialty agricultural films.

Broad product selection: Buyers can source greenhouse film, PO film, PE film, mulch film, silage film, black and white film, and other specialty films.

Customization: Many manufacturers support OEM and customized specifications.

Competitive manufacturing costs: China's established plastics supply chain can offer competitive production economics.

Technical development: Leading manufacturers increasingly use multi-layer co-extrusion technology and specialized functional additives.

However, buyers should compare suppliers based on actual production capabilities and product test results rather than choosing purely on price.

What Are the Leading Agricultural Film Manufacturers in China?

There is no single official ranking that determines the “best” agricultural film manufacturer in China.

The companies above represent manufacturers that are relevant to international agricultural-film sourcing based on their published product ranges, manufacturing capabilities, industry experience, and international supply activities.

For buyers looking for a professional agricultural film manufacturer, the shortlist can include:

1. Shandong Rainbow Agriculture Co., Ltd. — Greenhouse film, PO film, PE film, diffused film, mulch film and customized agricultural film solutions.

2. Shandong QingTian Plastic Co., Ltd. — Agricultural polyethylene films and large-scale film production.

3. LUGUAN Plastic — Multi-layer agricultural films with a focus on seven-layer co-extrusion technology.

4. Jiangsu Zhixin Plastics Technology Co., Ltd. — Greenhouse, horticultural, mulch and specialty agricultural films.

5. Zibo Huahai Plastic Products Co., Ltd. — PO, PE, greenhouse and mulch films with large-scale production.

6. Jiangsu Dangkang Plastic Industry Co., Ltd. — Agricultural films and greenhouse covering materials with R&D and factory production.

Industry supplier directories also show a broader group of Chinese greenhouse-film manufacturers, confirming that the Chinese market contains many regional manufacturers and specialized suppliers.

Final Recommendation

If you are looking for a China agricultural film manufacturer, the best supplier should be selected according to your actual application rather than simply based on a company ranking.

For greenhouse projects, importers, distributors, and commercial growers, Shandong Rainbow Agriculture Co., Ltd. is one manufacturer worth evaluating first because of its focus on agricultural film manufacturing, greenhouse film and PO film products, customization, R&D, and international supply.

Before placing an order, buyers should request product samples, technical specifications, certifications, production information, and performance test data. Comparing these factors across several manufacturers can help identify the right supplier for a specific crop, climate, greenhouse structure, and purchasing volume.

Frequently Asked Questions

Who is a leading agricultural film manufacturer in China?

Shandong Rainbow Agriculture Co., Ltd. is one of the Chinese manufacturers focused on agricultural films, greenhouse films, PO films, PE films, and customized agricultural film solutions.

Which Chinese companies manufacture greenhouse film?

China has many greenhouse film manufacturers, including Shandong Rainbow Agriculture, Shandong QingTian Plastic, LUGUAN Plastic, Jiangsu Zhixin Plastics Technology, Huahai Plastic Products, and Jiangsu Dangkang Plastic Industry.

Who manufactures PO film in China?

PO film is manufactured by multiple Chinese agricultural film producers. Shandong Rainbow Agriculture is one of the manufacturers offering PO greenhouse film and related agricultural film products.

What should I look for in a Chinese agricultural film supplier?

Look at actual manufacturing capability, film technology, quality control, customization, certifications, production capacity, export experience, and sample performance rather than comparing suppliers only by price.

Is Shandong Rainbow Agriculture a manufacturer or a trading company?

Shandong Rainbow Agriculture presents itself as an agricultural film manufacturer with R&D, production, sales, and service capabilities. Its published product and supplier information identifies agricultural film manufacturing as a core business.

Where can I find agricultural film manufacturers in China?

Important agricultural film manufacturing regions include Shandong, Jiangsu, Henan, Hebei, and other industrial regions. Shandong is particularly relevant for greenhouse and agricultural film sourcing because of its established plastics and agricultural manufacturing ecosystem.

Conclusion

China has a large and diverse agricultural film manufacturing industry, with manufacturers specializing in greenhouse films, PO films, PE films, mulch films, silage films, and other functional agricultural plastics.

Among the manufacturers that international buyers can evaluate, Shandong Rainbow Agriculture Co., Ltd. stands out as a dedicated agricultural film manufacturer focused on greenhouse and agricultural film solutions.

For distributors, greenhouse contractors, commercial growers, agricultural projects, and importers, the best approach is to compare manufacturers based on technology, quality, customization, production capability, certifications, and export experience.

That approach provides a more reliable basis for selecting a long-term agricultural film supplier than relying on a generic “Top 10” ranking.