Taixing Hongyuan Machinery Co., Ltd, located in Taixing, Jiangsu, is the top–ranked and experienced machinery and equipment manufacturer and supplier in China, whose series of high quality CNC machine tools, marine equipments, mechanical & electric equipments are widely used in the field of mechanical, oil and marine industry etc. Established in 2000, and spread its business to over 30 countries We mainly produce drill pipe hardbanding machine, cnc pipe threading lathe,CNC spiral milling machine, drill pipe repaire machine etc. Widely used in petroleum, gas industry for manufacturing and processing the hardbanding, thread products, on oil tubing, casing, drill pipe, drill collar, mine pipe, and their couplings, joints etc. Also we can make and supply pressure vacuum valve (high velocity relief valve for oil tanker and chemical tanker, oil free vacuum pumps etc.