Wenzhou Tianhong Lock Industry Co., Ltd. is a Jicai election, smelting, processing, production for the integrated steel companies, belonging to Wenzhou Jinzhou Special Steel Co., Ltd., the headquarters is located in a developed economy, convenient transportation and geographic advantages of Zhejiang Province, Wenzhou.

Rainbow Locks consists of steel, rolled steel, perforated, trombone, cold rolled tubes, machining workshop and 7 ultrasound, eddy current testing and chemical testing and chemical analysis of metallographic, mechanical properties, intergranular corrosion test chemical test 2 center, in addition to the three section in: preparation steps, the power generation, distribution and equipment repair works section, supply section in. The main production equipment, including frequency electric furnace, AOD refining furnace steel-making equipment, ф50 perforation machine; LB25 ~ LB-80 type trombone, generators, gas equipment, lathes, peeler, straightening machine, heat treatment furnace 130 more than one (sets). The company has complete testing equipment, including advanced Italian production METAL-LAB75/80 spark spectroscopy (Direct Reading Spectrometer), universal tensile testing machine, microscope, spectrophotometer, intergranular corrosion test equipment and apparatus such as eddy current, ultrasonic non-destructive testing equipment, 50 sets (pieces). 

Rainbow Locks comprehensive corporate social responsibility, the full construction of a resource-saving and environment-friendly enterprises, active support for social welfare; adhere to "people-oriented" core beliefs, and safety production, improve livelihood of workers, harmonious Fazhanchengxian situation.