Ningbo Zhongli Bolts Manufacturing Co., Ltd. yakavambwa muna 2003, inyanzvi yekugadzira zvimisikidzo zvine simba repamusoro mumhando dzakasiyana dzemhando dzakasiyana, iyo inofukidza nzvimbo inosvika zviuru gumi zvemamita, yakanyoreswa capital ye1500,000 RMB, ine kugadzirwa kwegore negore kwematani 8,000 pagore. Kambani iyi yakamisa mapazi akawanda ekutengesa mumatunhu akasiyana muChina. Zvichakadaro, zvigadzirwa zvekambani zvinotumirwa kuEurope, USA, Middle East, Africa, Southeast Asia uye mamwe matunhu. Kambani ine simba rakasimba rehunyanzvi, midziyo yekuyedza yakakwana uye akasiyana akazara otomatiki akawanda echiteshi anotonhora uye anopisa musoro michina, kuitira kuti ikupe iwe yakavimbika uye yemhando yepamusoro zvigadzirwa.Zvigadzirwa zvedu zvikuru ZYL brand fasteners zvinosanganisira structural hex mabhaudhi ASTM A325 mhando. 1, A490, hex musoro mabhaudhi DIN931, DIN933, EN14399, DIN6914