Established in 1991, Ace Dragon Corporation s R&D center is located in the Hsinchu Science Park, which is the heart of Taiwan s high-tech hub, giving us access to the best engineers on the isl...

Lian-hua tech is one of the earliest development of water quality monitoring instrument manufacturers in our countryAfter nearly 30 years of continuous efforts,Lian-hua Has become a leading enterprise...

Wuhan Tianhong Instruments Co., Ltd., established in 1991, is a manufacturer and trader specialized in the R&D, manufacturing and sales of new generation environmental protection instruments. ...