Qingdao Baigong Industrial and Trading Co., Ltd. is one of the leading enterprises specialized in developing, engineering, manufacturing exporting gas cylinder products industrial gases China our were approved by Foreign Economical & Commission. We, ...

Shenzhen Longer Industry Co., Ltd., founded in 2003, engaged the R&D, production, sale and after-sales service of various gas plants . We have exquisite technology, a high-quality professional team, advanced equipment complete testing methods. Our main ...

Chengdu Shengjie Cryogenic Equipment Co., Ltd. is a hi-tech enterprise that specialized in R&D, manufacturing and selling of liquid nitrogen biological container series (stainless steel aluminum alloy ), cryogenic storage & transportation (tank, slot, ...