Shuangkai holding group(SK Group) is founded together by Zhejiang Kaisitong valve Co., Ltd (KST) and Zhejiang Kaidong valve Co., Ltd (KD) with a total investment of USD38 million in 2007. And it mainly aims at manufacturing all kinds of valves such as ball valve, gate valve, globe valve, check valve, butterfly valve and plug valve, etc according to ANSI, API, JIS, DIN, BS, NF and Chinese GB standards. The SK group is located in Longyou Industrial Park, a place with very good traffic, 40km from Yiwu; about 160 km from Hangzhou and 380 km from Shanghai, with total area of more than 150, 000 M2. What s more, SK Group now have more than 500 workers, including over 80 technical staff and 10 engineers. And The SK Group comprises have two investors including KST and KD, all of them are members of China association of general machinery valve industry , a member of China National Petroleum supply network, member of energy ahead network , the network member of hydropower station fittings of state power corporation , China imports and exports certificate , AAA class of credit member of Industrial and Commercial bank of China.ALL investment companies in SK Group based a good system for quality control and quality insurance. therefore , we obtained the international certificates of ISO9001:2000 , API 6D, CE and special equipment manufacturing license .These certificates grantee us more to strictly control our quality from design to delivery to after-sale service.Our products are widely used in petroleum, oil, medical, metallurgy, electric power and natural gas industries.We sincerely hope we have a chance to cooperate with the friends at home and abroad and create a mutual brilliant future.
