Technical requirements a hook, the hook should purchase manufacturer's certificate and other technical documents before using the eye-shaped cargo hook, otherwise it shall be subject to inspection, 2, hooks shall not affect the safe performance of the defect; hook not weld defects Complement; hook surface should be smooth, without cracks, folding, acute angle, glitches, stripped, burnt and other defects; not drilling or welding on the hook. 3, the shortest distance hook opening in two easy to wear proper position of the print logo is selected, the measured distance mark, as the basis for use in detecting whether the opening of the changes that have occurred. 4, the hook material could be made of 20 high-quality carbon steel forging, casting hook is strictly prohibited. Plate hook material is generally applied A3, C3 ordinary carbon steel, low alloy steel or 16Mn 5, the technical conditions should be consistent with homemade hook GB 10051.1-88 ~ GB 10051.5-88 requirements. 6, the longitudinal axis of the plate piece of red plastic hook cargo hook, must be located in the rolling direction of steel cargo hook, and the hook is not allowed mosaic pieces. 7, plate hook sheet Applications rivet joints, and in high stress parts of plate bending and lifting objects hanging hook contact points may not connect with rivets. 8, between the plates laminated allowed to hook welded closed, allowing only intermittent welding. 9, overload test has been conducted on the hook should be scrapped. Yuan Long hook species production and processing are: eye-shaped slip hook, claw grapple hook nose, and eye slip hook, shank hook, American cargo hook, D-shackle, bow shackle, eye-shaped slide hook (with insurance), S hooks, pear-shaped ring, long rings, claw hook slide (with insurance), round rings, rope clamps, Austrian-style claw grapple, wood with curved hook, heavy rings, eye bolts, container hook, rigging rings, rope wedge joints, rotating hook, eye-shaped grapple, block, G80 picture-ring, G80 rotating ring, etc. welcome new and old customers to inquire negotiate! Red plastic cargo hooks, cargo hook complete specifications (Yuan Long fasteners), cargo hook by Yongnian County Yuan Long Fastener Manufacturing Limited. Yongnian County, Yuan Long Fastener Manufacturing Co. (www.hdyljgj.com) is Handan, fasteners leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . Yuan Long fastener leadership with the staff warmly welcome all inquiries negotiations to create meta-long fasteners a better future.