No.34 Shanghai Rd,Free Trade Zone,Qingdao,Shandong,China

Qingdao Accugauge Instrument Co., Ltd. (Accu in short), founded in 2001, is a high-tech enterprise specialized in the design, research & development, manufacture, sale and service in oil indus...

No. 206 Zhencheng Road

Sinoprime Optical Industry Co., Ltd. (SINO-OPTO for short, whose predecessor was Jiangyin Optical Instrument & Materials Co., Ltd.) is one of the leading manufacturers specialized in optical c...