LETONE.LETONE was established on April 16, 2003, with its registered location in the Private Industrial Park of Luohe Economic Development Zone. Centering on the ultra-high-pressure fluid innovation application industrial chain, LETONE focuses on extending, complementing, and strengthening the chain to drive high-quality development and accelerate the transformation of growth drivers. The Fluid Division's core products include: - Rubber hoses and hose assemblies featuring low bending, high pressure, long service life, and multi-functionality; - Wear-resistant, corrosion-resistant, aging-resistant, large-diameter rubber-plastic composite hoses; - Ultra-high-pressure, equal-bore petroleum drilling and fracturing hoses; - Efficient, safe ultra-high-pressure resin hoses; - Zero-leakage, easy-to-assemble fluid connectors and hose/tube assemblies. The Ultra-High Pressure Equipment and Services segment offers eco-friendly, safe ultra-high pressure food sterilization equipment and sterilization application services; municipal pipeline cleaning equipment based on ultra-high pressure waterjet technology, along with safe, efficient municipal pipeline cleaning, unblocking, and demolition engineering services. The Polymer Materials segment encompasses diverse, high-performance compounding rubbers, modified materials from recycled nylon, rubber-plastic blend modified materials, specialty compounding rubbers, and rubber-plastic products. Products are widely applied in construction machinery, agricultural machinery, oil drilling, construction, industrial cleaning, steel, chemical, energy, nuclear power, mining, rail transit, shipbuilding, pharmaceuticals, green food, and municipal engineering sectors. LETONE has successively obtained certifications for: Quality Management System (conforming to GB/T 19001-2016/ISO 9001:2015), Weaponry and Equipment Quality Management System (conforming to GJB 9001C-2017), Quality Management System for Manufacturing Organizations in the Oil and Gas Industry (conforming to API Q1), Automotive Quality Management System (conforming to IATF 16949:2016), Environmental Management System (conforming to GB/T 24001-2016/ISO 14001:2015), and Occupational Health and Safety Management System (conforming to GB/T 45001-2020/ISO 45001:2018). Product certifications include: Mine Safety and Health Administration (MA·KA), MSHA, American Petroleum Institute (API) product certifications (7K, 16C, 17K), American Bureau of Shipping (ABS) type approval, Det Norske Veritas (DNV) type approval, Lloyd's Fire Certification, etc. Primary products encompass: hydraulic hoses, industrial hoses, oil drilling hoses, ultra-high-pressure resin hoses, fittings, and rubber/plastic sealing products.