Professional CL Hardware

about chenlong

Your Reliable Window Openers Manufacturer

Quzhou Chenlong Hardware Co., Ltd. focuses on precision metal stamping parts. We handle hardware processing and mold design. CL window opener facility has complete testing equipment, and our technical team brings years of experience. CL deliver products with consistent quality, competitive pricing, and adaptable designs. With 30 stamping machines, we work with various materials.

For greenhouse window openers, Chenlong handles everything from design to delivery. Our stamping technology stays ahead, and we keep improving through research and development . Every part meets exact size and performance standards. CL window vent opener adjust easily to different greenhouse designs and opening systems. Automatic window opener are made with precision and can be tailored to your needs. These advantages make Chenlong a reliable partner for greenhouse equipment makers.

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Our service

Why Choose Chenlong Window Opener

Strong ODM & OEM Ability

Chenlong focuses on OEM customisation of window opener, with professional team and technology, we can customise the appearance and function according to the needs.

High Efficient Production

Our automated assembly line and tight quality control allow quick production for standard orders and fast adjustments for rush jobs. This helps customers stay ahead in the market.

Flexible MOQ

Chenlong reduce the threshold of cooperation and inventory risk, regardless of the size of the order, are delivered with high quality standards, to provide customers with reliable products and services.

FAQs About ChenLong

What is the minimum order quantity for bulk customization of window openers?

Our standard minimum order quantity is 50–100 pieces, which can be flexibly adjusted according to order requirements.

What shipping methods do you support?

CL window opener supports various shipping methods, including air freight and sea freight, to meet the needs of customers in different regions.

What is the shipping time for Window Vent Openers?

Standard orders are shipped within 3–7 days. For large-volume custom orders, the delivery date will be confirmed based on production scheduling.

What aspects are included in the customization service?

Automatic Window Opener customizable options include opening temperature, stroke length, color, surface finish, logo, packaging and so on.

What is the window opener warranty period?

The standard warranty period is 2 years, with extended warranty periods available for large-volume orders.

Can samples be requested before placing a bulk order?

Samples of Greenhouse Window Openers can be provided for customers to confirm quality and specifications.

Do you provide installation support?

All window opener orders come with detailed installation instructions and video guides. For projects with higher installation requirements, CL can dispatch engineers to the site to provide services (additional fees apply).