HCH Company has a strong technology power and owns many professional designers and manufacturing technological personnel. Excellent COPRA design software has been introduced in the product software design. In order to satisfy the market demand and the requirements of the clients, the company constantly makes innovation and develops new products. With advanced digital processing equipment and perfect quality inspection means, the company constantly increases the investment, it hasgot the certificates of ISO9001: 2000 quality systemcertificate. The productshave passed CE recoginition. Perfect quality guarantee system and advanced design technology makes products quality stay in the leading position in China. Our products are widely applied in the industries like ventiduct making, hardware, kitchen utensils, home appliances, decorative materials, and automobile..Our products have been exported nearly 60 countries and regions and have been highly appraised by the customers.

     In the process of globalization, we have always follow the principles of "Survive by quality, develop by high efficiency, and expand by high credibility". We will persevere and continue to provide customers with the first-class products and services to enable enterprise development to keep pace with the market demand

TDC flange is the advanced technique in the world to make wind pipe with pin-board type flange. It is capable of making standard and mechanical rectangle flange in batches, compared with traditionally angle iron flange making, it features saving time, saving materials, high effect, fine sealing performance, durable and solid connection. Therefore, it is suitable for making rectangle wind pipe with big section.

⇒Why choose us?

  1.We are one of the oldest manufacturer in China.

  2.We have more than 30 years experience in this market in China.

  3.Alibaba Assessed 10 years Gold Supplier for HVAC machinery.

  4.100% QC inspection Before Shipment.