Duct corner/duct flange corner/HVAC system parts

Wenan Rongmao Hardware Product Co., Ltd. is a leading manufacturer of high quality customized metal products in China. We are located in Langfang, near Tianjin and Beijing. Therefore, we enjoy convenient transportation. With 10 years of manufacture and management experience, we have been providing various OEM metal fabrications which combine stamping, machining, casting and welding process. Our products are widely applied to household, industrial, mechanical, auto and othe...