ZHGUANDAO.ZHGUANDAO was established on March 1, 2016, with its registered location in Yanshan County and a site area of 36,000 square meters. The company employs a total of 116 staff members, including 42 engineering and technical personnel. It is a specialized manufacturer providing high-end products and services to domestic and international industries such as petroleum, refining and chemical processing, metallurgy, power generation, shipbuilding, gas transmission, and pipeline transportation. ZHGUANDAO's product portfolio encompasses three major series with over 100 varieties: 1. Ceramic wear-resistant pipes and fittings, dual-metal clad wear-resistant pipes, elbows, bent pipes, tees, crosses, reducers, pipe caps, flanges, supports/hangers, waterproof sleeves, bellows compensators, and other high-, medium-, and low-pressure pipe fittings and accessories series; 2. TIG hot-wire clad pipes and fittings; strip-fed overlay flanges and tube sheets (overlay materials: non-alloy steel, low-alloy steel, high-alloy steel, nickel, copper, titanium-zirconium and corresponding alloys, special materials, etc.). 3. Sales of seamless, straight-seam, and spiral-welded steel pipe series. 4. Insulated steel pipes, plastic-coated steel pipes, hot-dip plastic conduit, 3PE anti-corrosion steel pipes, and rubber-lined, plastic-lined, PTFE-lined pipe fittings series. Product standards comply with: GB/T, SH, HG, JB, ANSI/ASME, MSS, JIS, DIN, etc. Materials include carbon steel, alloy steel, stainless steel, low-temperature steel, duplex steel, nickel-based alloys, Hastelloy, etc. Custom manufacturing per client specifications is available. ZHGUANDAO has obtained ISO9001:2015, ISO14001:2015, and ISO45001-2018 certifications. Primary products include: ceramic wear-resistant pipes, pipe fittings, dual-metal overlay wear-resistant pipes, elbows, bent pipes, tees, crosses, reducers, pipe caps, flanges, supports and hangers, waterproof sleeves, and bellows compensators.