SJ Flow Tech Co., Ltd.

SI has been founded in 1978 and we are focusing on the development of metal material and precise machining for over 40 years. SI Flowtech�s developments of technology have made a big progress in Shale oil industry. We established SI Fowtech Co., Ltd. in 2018 and have developed 1�, 2�, 3� plug valve and repair kits. We will actively participate in developing the various oil field parts using our accumulated knowledge on metal developments and machining experience.