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We produce various kinds of high strength bolts, nuts and washers. The assembly products include GB30 hexagon bolts, holding down bolts, master screws and various kinds of washers, nuts, and non-standard parts.

Hex bolts,Eyelet bolts,Double end studs

stainless steel screws,precision screwdriver,high strength bolts,copper screws

high strength bolts, all kinds of self-tapping screws, electronic screws, mobile phone screws, torx recess screws, truss head phillips screws, countersunk screws, carriage bolts, hex/ hex socket flange bolts, custom-made non-standard screws

Carbon steel products hex washer bolts, hex flange bolts, hex washer tri-lobular thread bolts , hex socket button head screws, socket countersunk head screws, 10.9 grade high strength bolts of SCM435 material ( standard: ISO7380，DIN7991） Stainless steel products 1. Machined screws Cup head hex socket screws， hex socket countersunk screws, pan head screws with cross recess，，countersunk head screws with cross recess,countersunk raised head screws，truss head screws with cross recess，hexagon head flange screws All the products are in accordance with ANSI, DIN, GB and ISO standards. 2. Tapping screws cross recessed pan head tapping screws, cross recessed countersunk flat head tapping screws, countersunk raised head screws with cross recess, slotted pan head tapping screws, slotted countersunk tapping screws, slotted raised countersunk tapping screws,, hex head tapping screws, cross recessed pan head tapping set screws, cross recessed countersunk flat head tapping set screws,, cross recessed raised countersunk flat head tapping set screws,, hex head tapping set screws,, hexagon lobular socket head cap screws-property, cross recessed tapping screws with cup head, cross recessed tapping screws with scrape head , Hexagon head tapping screws with shoulders, hexagon head flange tapping screws.

Bolt, nut and high strength bolt

chipboard screws fasteners for Automobile hex head bolt hex socket screw hex nuts HEXAGON HEAD BOLTS HEXAGO SOCKET CAP HEAD SCREWS HEXAGON NUTS HEXAGON HEAD BOLT DIN933/931/558/601/912/934/975/ISO4107/4014/4032 GR 4.8-12.9 HEXAGON HEAD BOLTS HEXAGON NUTS CUP HEAD SQUARE NECK BOLTS MACHINE SCREWS NON-STANDARD BOLTS AND SCREWS THREADED RODS CHIPBOARD SCREWS CAP HEAD NIB BOLTS COLOUR PLASTIC ELASTIC EXPANSION TUBE AUTOMATICMUL TIPROCESS COLD UPSETTING MACHINE HEXAGON SOCKET BUTTON HEAD SCREWS FORNITURS SCREWS HIGH STRENGTH BOLTS WITH LARGE HEXAGONG HEAD FOR STEEL STRUCTURES SET OF TORSHEAR TYOE HIGH STRENGTH BOLT HEXAGON NUTAND PLAIN WASHER FOR STEEL STRUCTURES HEXAGO SOCKET CAP HEAD SCREWS HEXAGON HEAD BOLT TAPPING SCREWS HEXAGON FLANGE BOLTS DOUBLE AND STUDS SELF-DRILLING TAPPING SCREWS STAINLESS SERIALS AUTOMOBILE FASTENERS

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High strength standard parts shaped nut nut nut 35crmo high-speed rail connection sleeve nut king nut bolts bolt high strength bolt hexagon bolt spring flat key railway accessories

Shandong Qufu Dongfang Engineering Limited company is the national Ministry of Construction approved set of truss, steel structure, curtain wall, pipe truss design, processing and installation in one of the large-scale steel enterprises, can provide steel structure, grid, curtain wall, pipe truss construction engineering design qualification B grade two. The company has a complete network frame automation production line, net frame, steel structure, pipe truss annual output of more than 3 million tons. The company's main bolt ball grid, welding ball rack, stainless steel rack, gas station, stadium awning grid grid, grid, grid charging station workshop, coal storage, cement plant, solar grid support grid design and processing of various types of network engineering production, installation, sales and R & D. Shandong Qufu Dongfang Engineering Co., Ltd. is a member unit of China Space Structure Association and member unit of China Building Metal Association. All products are certified by ISO9001 international standard quality management system. The company has more than 300 employees, including 160 engineers and technicians who are engaged in designing and processing steel structures, curtain walls and pipe trusses, and the factory area is about 30 thousand square meters. Our company has international advanced level of grid design system, intersecting truss design software and other design software, and grid, light steel structure, steel pipe intersecting pipe blanking, bending and welding all achieve automation or semi-automatic. The technological superiority and management advantage of Shandong Qufu Dongfang Engineering Co., Ltd. is reflected in the advanced equipment, high technology specification, high precision and high quality of the construction team. A scientific and complete quality assurance system is built to ensure the quality of steel structure and grid. Because of its deep management foundation, advanced equipment and technology, Dongfang grid company was awarded the Shandong construction engineering quality integrity AAA grade excellent construction enterprise in 2014 by Shandong quality integrity business supervision and Management Association. In recent years, Shandong Qufu Oriental Engineering Limited company to rely on scientific and technological progress and innovation, not only become a brilliant domestic grid and steel structure building industry star, and the company continue to explore overseas markets, network products are exported overseas, and gradually formed a pattern of development in China and abroad and diversified, and constantly introduce foreign advanced production technology and management innovation, in order to better undertake large-scale spatial structure engineering at home and abroad has laid a solid foundation. At present, Shandong Qufu Dongfang Engineering Co., Ltd. is strengthening business management and innovating constantly, and striving to create a domestic steel enterprise with innovative ability and full energy, and continuously provide quality and professional services for the vast number of new and old customers. Main business projects: 1. undertake various professional network engineering and bar grid processing (such as: plant grid, coal storage, gas station grid, grid, grid roof wall lighting grid, grid, grid stadium Gymnasium) 2. supply of all kinds of high quality net rack fittings (rod, bolt ball, welding ball, high strength bolt, nut, sealing plate, cone head, etc.). 3. light steel structure, steel structure design, manufacture and installation. 4. bolt ball net frame, welding ball net frame, stainless steel net frame, whole process design, manufacture and installation service. 5. truss steel structure surface treatment: shot blasting, sand blasting, spray, spray, spray zinc aluminum and other anti-corrosion construction technology. 6., construction of single and multi-layer heavy-duty steel structures, steel trusses, grid works and spherical shell grids at home and abroad, including industrial plants, exhibition halls, supermarkets, gymnasiums, airport terminals, storehouses, stations and toll stations. 7. design and install service for all kinds of glass curtain wall, aluminum sheet curtain wall and ceramic panel curtain wall. 8. professional design and installation of various kinds of antique steel structure engineering, the construction experience is rich, all kinds of antique steel structural members are fine and graceful. The company has many years of foreign steel structure, grid, curtain wall engineering construction experience for American Standard, marking and other construction drawings understanding in place, processing, on-site construction can be fully in accordance with the requirements of foreign supervision company. According to the customer's request, we can quickly organize the construction staff to go to the overseas construction site! It is a great pleasure to have friends from afar! Eastern engineers invite friends from all walks of life to come to Qufu for sightseeing and go to our company to guide and negotiate business. Contact: Bruce Jordan manager contact phone: 0537-4419445 13176194948 15666244483