Product names, uses, properties and process methods that symbol in Table 2 Name (Kanji) characters using Pinyin location using the symbol font foundry pig iron for steelmaking pig iron ductile iron tablets containing vanadium phosphorus decarbonization wearable pig iron carbon steel low alloy high strength steel weathering steel ensure hardenability steel cutting non-quenched and tempered steel forging non-quenched and tempered steel cutting steel hot-rolled silicon steel electrician electrician electrician with cold rolled non-oriented silicon steel cold rolled grain oriented silicon steel Electrician oriented silicon steel with high magnetic induction magnetic iron carbon tool steel plastic mold steel (ball) with cold rolled oriented silicon steel with high magnetic induction (telecommunications use) bearing steel welded steel rail steel heading steel chain steel pipe steel marine geological drilling automotive steel girders steel ore steel pressure vessel steel bridge steel boiler steel welded steel cylinders steel vehicle axle locomotive axle steel rimmed steel semi-killed steel killed steel special killed steel refining the definition of quality grades tight folding edit this paragraph Firmware standard (DIN German standard, GB GB, ASME / IFI / ANSI American Standard Linyi stainless steel bolts, Q steam standard, PEM standard, JB standard mechanical department, EN European standard sunshine stainless steel bolts, ISO international standard, JIS Japanese standard, HG Chemical standard stainless steel bolts, NFE law standard, UNI Italian standards, BS British standard, other common standard national standard folding Edit this paragraph GB / T 1237-2000 fasteners labeling method GB / T 152.1-1988 rivet fasteners through holes Stainless steel screws Zaozhuang stainless steel bolts, stainless steel bolts, rivets .316 stainless steel screws, the screws 304 GB / T 152.2-1988 fasteners countersunk head with sink holes GB / T 152.3-1988 Fasteners cylinder head with sink holes GB / T 152.4 -1988 fasteners hex head bolts and hex nuts with sink holes GB / T 16823.1-1997 threaded fasteners Stress area and bearing area Binzhou stainless steel bolts, Jinan Road ground (certified), stainless steel bolts from Jinan Daoqin commerce limited The company provides Jinan Daoqin Trading Company (www.daoqinshangmao.com) (www.daoqinshangmao.com) Shandong Jinan, hardware accessories leader, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum limits to meet customer needs. In Jinan Daoqin leadership with the staff warmly welcome all inquiries negotiations to create Jinan Daoqin a better future.