DIN934 Hex Nut

Qingdao H-Quality Industries Co., Ltd was founded in 1994. It consists of the company headquarters, three wholly-owned manufacturing factories and three joint-venture factories. The headquarters is located in Qingdao Shilaoren National Tourism Resort, adjacent to Qingdao International Beer City. So the scenery is beautiful, the environment is pleasant, the traffic is convenient and the place is remarkable.

Our products are widely used in metallurgy, electric power, shipyard, sea port, oil-field, railway, machinery, auto, energy, aerospace, etc.

Our main products are DIN3093 Aluminium Sleeves, Aluminium Hourglass Sleeves, Flemish Eye Steel Swaging Sleeves, Copper Hourglass Sleeves, Copper Oval Sleeves, Lead Sleeves, Steel Wire Ropes, Chains, Anchor Chains, Anchors, Rigging Hardware, Wire Rope Slings, Wire Rope Swaging Machine, Forging Parts, Casting Parts, Stamping Parts, Drawing Parts, and aluminium alloy extruding parts.

The company is equipped with large Hydraulic Extruders (3150T/2000T/500T), Friction Presses (1600T/1000T/630T/300T), Hydraulic Press Machines (3000T/1500T/600T), Drawing and Straightening Machines (100T/40T/10T), Intermediate Frequency Induction Furnaces (2T/1T/0.5T), Vacuum Annealing Furnaces (5T/2T/1T), Punching Machines (250T/160T/100T/80T/25T), Automatic Heat Treatment Equipment and Automatic Plastic Coating Line...

The company has top-notch technical and R&D team, consisting of 3 professor-level senior engineers, 6 senior engineers and 12 engineers. The company and its factories have passed the certification of ISO9001-2008 Quality Management System.

With advanced mechanical property testing machines, as well as physical &chemical testing center, the company can independently carry out the tensile test less than 300 tons, chemical composition analysis of such metal materials as steel, aluminium, copper, etc. And what is more? The company even set up a metallurgical microstructure laboratory and ultrasonic defects detecting center.

Passion makes dream come true, quality helps enterprise achieve success. Our principles to ourselves are: Earnest-Industrious-Improvement, never limiting our minds. Our pledges to our customer are: Honest-High Quality-Attractive Price, always meeting your demands. We have already been the best supplier of the Wire Rope Assembles, Pressing Products and Lifting Tools, and hope to be the global first-class supplier under your deep affection and support.