Dear Sir/Madam,This is Will from Shanghai Jinggui Petroleum Equipment Co., Ltd., China. We're a member of API and supply oil thread gages for manufacturers and suppliers of tubings, sleeve pipes and drilling equipment under standards of API 5B and API 7. We've successfully combined more than half of the manufacturers in China and receive strong technical support from Baoji Baoshi Test Institute for Petroleum Thread Gages, a state-level institute approved by China National Accreditation Service For Conformity Assessment. Besides, the Institute is also member of ILAC and APLAC.We enjoy more than half of the market shares in China for many years and are now targeting at the global market. Our strength is collecting orders widely throughout the world and arranging production timely and finally providing qualified products with very good prices (much lower than foreign countries). So if you're interested in our products, please don't hesitate to contact me.I'm sincerely looking forward to your kind reply soon.Best regard,Will
