Shanghai Guankaisi Valve Co., Ltd

Since its foundation Schwegmann company has developed chemical specialities that are used all over the world in the manufacturing of inks and varnishes and in the printing industry.

Our speciality is the finished product in tubular glass that will meet the needs in many fields, such as the pharmaceutical, chemical, food, cosmetics and even the construction industry.

Since 1878 we produce and sell pumps for a various range of medias.