Hebei Wotu Fastener Manufacturing Co., Ltd., tọrọ ntọala na 1990s, dị na Yongnian District, Handan City, Hebei Province, nke a maara dị ka "Obodo nke Fasteners."
1. Isi Ike: Ọkọlọtọ: HRC32-40. A tụrụ ngwaahịa anyị na HRC31.7-39.0.
2. Isi Ike Elu: ọkọlọtọ: HV600-700. A tụrụ ngwaahịa anyị na ihe dịka HV620.
3. oyi akwa siri ike: 4#-6 #: 0.05-0.18mm; 8 # -12 #: 0.10-0.23mm; 14 #: 0.15-0.28mm.
4. Torque: Nkọwapụta, ịghasa nke onwe, bolt.
Hebei Wotu Fastener Manufacturing Co., Ltd., tọrọ ntọala na 1990s, dị na Yongnian District, Handan City, Hebei Province, nke a maara dị ka "Obodo nke Fasteners." Ụlọ ọrụ anyị bụ ọkachamara n'ịmepụta screws nke onwe, hexagonal self-drilling skru, Tower bolts, mgbochi ohi bolts, GB30 bolts, mgbochi izu ohi mkpụrụ, ụkwụ bolts, U-bolts, electrified ụgbọ okporo ígwè bolts, nuts, bolt pins, na dị iche iche eletriki oyiyi akwa. Anyị na-echekwa ihe dị iche iche na-ekpo ọkụ galvanized bolts, akụ, flat washers, na spring washers, na ike hazie dị iche iche na-abụghị ọkọlọtọ akụkụ. Anyị nwekwara ike inyere ndị ahịa aka ịhazi isi ihe na mbupu. Ụlọ ọrụ anyị nwere ike ịrụ ọrụ nhazi dị iche iche nke mpụga na ọrụ ọgwụgwọ okpomọkụ, gụnyere ikpo ọkụ na-ekpo ọkụ na electro-galvanizing, yana ọrụ ọgwụgwọ elu dị ka phosphating, ịbịaru, annealing, na tempering. Anyị na-agbasi mbọ ike maka skru na-egwupụta onwe anyị, bolts galvanized na-ekpo ọkụ, yana ngwaahịa anyị. Ọ bụrụ na ị nwere mkpa ọ bụla, biko nweere onwe gị ịkpọtụrụ anyị!