Building 151,Lanting Road,Shanghai, China

Shanghai Luheng Instrument Co.,Ltd. is one of the leading company specializing in designing, producing and selling petroleum instruments, civil engineering instruments,drilling liquid and other lab in...

No.600 Meiyu Road Shanghai, Shanghai

Shanghai Dobetter Instrument&Equipment Co.,Ltd is a high-tech corporation who specializes in R&D, sales and service of intelligent and automated instruments in the analyzing fields of petroche...