In 1976, Sanjack established Wellhead and the Christmas Tree Factory, which officially started the manufacturing process of wellhead products. So far Sanjack has more than 40 years history in designing and manufacturing wellhead and Xmas tree. The technology is in a leading position in China. Sanjack has gained PR2 certificates for gate valve, choke valve, tubing head and casing head. Annual production is 5000 sets. Products have been exported to America, Saudi Arabia, India, Russia, Oman, Turkmenistan, Kazakhstan, Venezuela, etc.
The factory has 185 employees, more than 200 sets of various large and medium-sized mechanical processing equipment，equipped with the world’s leading level of well control laboratory. With excellent quality and timely global service, SanJack has successfully served nearly 200 customers in more than 30 countries.