What is the main material of the greenhouse frame?

The skeleton is equipped with thin steel tubes linked with appropriate connectors. All mental material is two-side hot-galvanized and rust-resisting.

What is the service life of the greenhouse main body?

The main body can be in service for more than 10 years.

What certifications do your products have?

Our products have CE certification.

Affordable Durable Steel Pipe Structures for Tomato Greenhouses

Name: Affordable Durable Steel Pipe Structures for Tomato Greenhouses
Brand: WEIFANG SAINPOLY AGRICULTURAL TECHNOLOGY CO., LTD.
SKU: 2089408292

Shandong, ChinaWEIFANG SAINPOLY AGRICULTURAL TECHNOLOGY CO., LTD.

US$12.00-49.00

1,000 Square Meters

Product profile

Customization

Available

Department

Plastic Greenhouse

Suitable

Vegetables, Fruit, Flower

Model NO.

SAINPOLY-F-Z-421

Span

Multi

Location

Indoor & Outdoor

Usage

Production Greenhouse

Size

Large

Cover Material

Film

Layer

Double

Section

4m,8m/Section

3.5-7.8m

Main Frame

Automatic Control Box

Cooling System

Cooling Pad with Exhaust Fans

Ventilation System

Roll up (Mannal or Automatic

Inside and Outside Shading System

Heating System

Furnace with Heating Fans

Transport Package

Required by Customers

Trademark

Sainpoly

Origin

Sainpoly

HS Code

9406000090

Production Capacity

10000square Meters Per Month

Key features

23 Years Manufacturing Experience: 23 years of manufacturing and 7 years of export experience ensure professional quality.

Hot-Galvanized Steel Frame: Two-side hot-galvanized rust-resisting steel tubes for durability and long service life.

Customizable Design Options: Customization from designs available, including section sizes and automatic control systems.

Versatile Climate Control: Equipped with cooling pads, fans, furnaces, and shading systems for various climates.

Professional Installation Support: Free planning drawings, manuals, and optional engineer supervision for installation.

CE Certified Quality: Products meet CE certification standards for safety and quality assurance.

Free Sample Provision: Free samples available for quality verification, though freight is not covered.

Company profile

Importers and ExportersYears of Export Experience

WEIFANG SAINPOLY AGRICULTURAL TECHNOLOGY CO., LTD.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Designs CertifiedExport Year: 10 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.86h

AI-Powered supplier vetting

SummaryWeifang Sainpoly Greenhouse Equipment Co., Ltd. is a limited company offering greenhouse products, with 29 employees and no stated parent group. It provides design customization, ODM, OEM for well-known brands, and has launched new products in the past year, supported by three R&D engineers. CE compliance is reported. The supplier has inventory capability and offers equipment installation, but lacks an overseas warehouse, overseas showroom, and a valid manufacturing-capacity contract with related subcontractors. Service documentation is weak: no written assessment or corrective-action procedures, and complaint handling has procedures but no written records. Financial information identifies reporting years but provides no substantive financial performance evidence. Customer evidence includes OEM work for well-known brands, while no Fortune 500 cooperation is reported and repeat-buyer preference is 10%–30%.

Supplier typeThe supplier is a limited company with no stated affiliation to a larger company group, offering greenhouse products. Its stated business scope also includes agricultural structures, landscaping, agricultural machinery maintenance, and related agricultural and plastic-product sales.

CertificationsCE certification is explicitly reported for the product, providing evidence of conformity with the stated applicable standards. No additional certifications are identified in the provided information.

After-Sales capabilityThe supplier offers equipment installation and has a complaint-handling procedure, but it has no overseas warehouse or showroom. Service governance is weak because assessment and corrective/preventive-action procedures lack written records, and complaint handling also lacks written records.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and employs three R&D engineers. However, it has no available SDK, so its innovation capability is evidenced for product development and design services but not for SDK-based integration.

Production capacityThe supplier has in-stock capability, reports one-month lead times in both peak and off-season periods, and identifies ten qualified service-capability suppliers. However, it has no valid manufacturing-capacity contract with related subcontractors, which creates a documented production-governance weakness.

Customization capabilityBoth R&D and general design-service information state customization from customer designs, and the supplier also reports ODM availability. This directly supports capability to develop or manufacture customized greenhouse products.

Client casesThe supplier reports OEM service for well-known brands, providing explicit customer-case evidence. It reports no cooperation with Fortune 500 companies, and repeat-buyer preference is stated at 10%–30%, so the customer track record is present but not broadly demonstrated.

Product Q&A

Q:Are you a trading company or a manufacturer?

We are a factory. Our factory produces all items related to the greenhouse, so we provide the best price.

Q:Do you provide samples? Is it free or extra?

Yes, we can provide samples free of charge, but we don't bear the freight.

Q:How to get a quotation for the greenhouse?

Please let us know how many greenhouses are needed? What will be grown in the greenhouse? So that we can suggest related systems.

Q:How should I choose a greenhouse system?

Please let us know where the greenhouse is (temperature, wind speed).

Q:How to assemble the greenhouse when purchasing?

We have professional after-sales service engineers who will provide planning drawings and installation manuals. You can communicate with him from time to time. If necessary, we can also send engineers to your country to supervise the installation of the greenhouse. Please send a message for specific details.