Song Shang Hardware Co., Ltd., Guangzhou is a research and development, production, sales and service in one of the glass projects supporting hardware business, to pursue loose hardware, and still adhere to leading technology, scale development, professional services, quality and brand of the road, adhering to the " quality first, service first "purpose, after more than several years operating experience in the industry, yet loose hardware independent intellectual property brand" JTSC "(built Proton), the glass works in the expanding field of supporting hardware, the new product after another, the market size has expanding, with automatic doors, access control, and spring, doors, bathroom clamp, handle, door locks and other full range of products in the domestic many large municipal projects, sports facilities, commercial real estate and other projects, the selected hardware engineering support for the glass Specify brand, is one of many owners of units, the average home user hardware glass projects supporting the brand of choice, was rated as "quality reliable brand."