How about Hongfa Automatic Door R&D team?
The R&D team of Shenzhen Hongfa Automatic Door Co, Ltd. is composed of many technicians who have rich knowhow. The R&D team is responsible for technology development and improvement. They will provide technical support when you request it.

Hongfa Automatic Door Company is an internationally advanced supplier and manufacturer of roll up door. The spiral door is one of the main products of Hongfa Automatic Door Company. The whole production process of Hongfa custom roll up doors is guided and supervised by experienced professionals. Its sensitive radar sensor can effectively detect the coming objects. The product has the functionality that meets and even exceeds the customer expectation. The product helps save energy and reduce air convection.

Our common wish is to be favored by each customer through our considerate service and excellent cold storage doors. Get price!
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