Shijiazhuang Sunny Trading Co., Ltd. is an export office and branch company of Ganma Pipe Industry & Technology Co., Ltd. , the factory was founded in 1991, covers an area of 106,700 square meters (about 160 acres). The company's registered capital is sixty million yuan.
The company has a number of patented technologies, especially the "ductile iron material" vertical line production of plumbing fittings and castings, which has an innovative process of low carbon, low consumption and guaranteed material.

More than 100 sets of new environmental protection pipeline production equipments， 11 automated modeling production lines, with an annual output of 50,000 tons.The main products include Malleable Iron Pipe Fittings, Lining Plastic Pipe Fittings, Grooved Pipe Fittings & Couplings, Valves, PTFE tapes, Gas Connectors, Tube Clamp Fittings,  Rail Connectors, Air Hose Coupling and Clamps, Carbon Steel Nipples & Couplings ect series, with various varieties and complete specifications. The products are all produced according to national standards. The thread accuracy is produced in accordance with international standards, and each one is pressure tested before leaving the factory. The products have beautiful appearance, good performance and excellent quality. It has highlight advantages in use such as durability, strong rust resistance, precise geometric dimensions, good interchangeability, easy installation, pressure resistance and no leakage. It is suitable for steam, water and oil. , gas, air and other pipeline connections. The products have won famous brand titles many times. Many famous buildings use  brand products, which are favored and respected by consumers.