Our company, “Dalian Petroleum Instrument Co., Ltd.” was established in 1988. Over the past 28 years, we have been manufacturing more than 100 models of high quality manual, semi-automatic and automatic petroleum testing instruments.“GAOHE DSY” as a well known brand, our instruments have good reputations in China petroleum industry, and be exported to Middle East, Central Asia and South-East Asia regions as well. We would like to have a good opportunity to provide and serve you in the near future. We are looking forwaEmail: foreign2@dsy1988.com.cnSkype:foreign2@dsy1988.com.cnCel: +86-13478794590

International sales for cast iron pipe & fittings to US market.