Laizhou Zhejiang gwajin kayan aiki Co., Ltd. (da aka kira "Zhejiang") yafi samar da kayayyakin ma'auni na Rocket Hardness, Vicker Hardness, Micro Hardness da sauransu, wanda ya rufe cikakken jerin kayayyakin ma'auni na Rocket, Vicker, Vicker, Micro Vicker, Richter, Shore, Shore da sauransu, ciki har da tushen samfurin da samfurin lantarki, wanda ya keɓe don samar da tsarin ma'auni na ƙarfin kudi ga abokan ciniki. Jinjin shekara-shekara karɓar umarni daga sararin samaniya, jirgin kasa na karkashin kasa, jirgin ruwa, soja da sauran nauyi masana'antu kamfanoni, domin su musamman amfani da su takamaiman kayayyakin online gwaji kayayyakin, da ƙofar tauri ma'auni, ya kafa sassauci da sauri musamman ikon samar da sauri, daidai ba misali mafita ga abokan ciniki! Jin ta "babban online ƙofar hardness mita" mafi kyau sayar da kasar da sararin samaniya, jirgin ruwa sufuri, mota goyon baya, jirgin kasa babban jirgin kasa kamfanoni, tare da shi high bayanai, atomatik gano fasahar, sassauci hadewa a cikin kasancewa samar da layi na musamman ikon, domin gida manyan soja masana'antu da nauyi masana'antu kamfanoni sabis! A matsayin kamfanin da ke gudanar da kayan aikin ma'auni, Jin ya san cewa ingancin kayayyakinmu yana da mahimmanci ga abokan ciniki. Jinjin koyaushe ya ci gaba da ka'idar "aminci tushen, sabis ne mafi girma", ya yi amfani da abokan ciniki da kyau a cikin 100% abin dogaro, yana ƙoƙari ya sanar da ilimin ma'auni na tushe ga masana'antun masana'antun kasar, ya ba da gudummawa ga ci gaban fasahar masana'antun kasar Sin!