Best quality and durable stationery from renowned Manufacturer of Tube Couplings, serving the market since 2013. Lida Petroleum Engineering &Technology Service Co., LTD operates under Have Own Export License, dealing in wellhead,sucker rod,plug valve,choke valve,casing coupling of all kinds, ensuring top quality and make. Our product line is specifically designed for school and workplaces, being supplied to not only domestic market but across borders as well constituting United Arab Emirates,Australia,France,South Korea,South Africa export market share. Our corporate venture was introduced in Dongying, Shandong, China, with initial fortune worth US$5 Million. We understand the value of trust that our customers place in us and being a reputable Retailer of Tube Couplings and we make sure to look after production and shipping processes with strict quality maintenance. Lida Petroleum Engineering &Technology Service Co., LTD is a Private Limited company, holding 7 Years of export experience helping us excel in the market with vast awareness and knowledge of a best product line. As of now, we have reached annual export value of US$2.5 Million - US$5 Million catering Approx 2 Million US Dollar of annual revenue.