When you source high speed door from factories overseas, there are many factors to consider. Qualification is one of the key factors. But how to identify whether they are qualified or not? The most straightforward way is by checking their certificates. In China, a qualified exporting factory should at least have a production license, and import and export certificate. Checking the qualification of a factory first is crucial. Otherwise, you may get the poor quality or due to the exporting restriction, you even can not receive the products, costing your time and money.

With continuous innovation, Shenzhen Hongfa Automatic Door Co, Ltd. is in the leading position in the international cold storage doors market. According to the material, Hongfa Automatic Door Company's products are divided into several categories, and spiral door is one of them. cold storage doors works based on electricity and free heat in the air. It achieves zero emissions, zero pollution, and environmental protection, without causing any harm to the human body. This product is a wise business investment for drawing sales traffic into the establishment. It is attention-grabbing and able to convey the brand’s message effectively. The product greatly helps reduce air convection.

We integrate sustainability as an important part of our business. We strive to promote environmentally friendly production practices that help minimize waste and reduce harmful emissions to the air, water, and land.