Domin samar da ingantacciyar sabis na ƙwararrun masu siye, da safiyar 17 ga Yuli, 2019, Youfa International duk ma'aikatan sun koyi ƙa'idodin ƙasashen duniya don murabba'in murabba'in sanyi da bututun ƙarfe huɗu.
Da farko, babban manajan Li Shuhuan a takaice ya gabatar da Youfa daga shekara ta 2000 daga wata karamar masana'anta, kuma a halin yanzu ya kai ton miliyan 16 da kuma fitar da tan dubu 25 zuwa kasashen waje.
Sannan a matsayinsa na malami a wannan karon babban manajan kamfanin Hong Kong Ma daga kamfanin Hong Kong ya ba da darasi kan murabba'i mai murabba'i da bututun karfe mai murabba'i mai murabba'i.
A halin yanzu, sanyi kafa tsarin square da rectangular karfe bututu matsayin GB/T 6728-2017, JIS G3466-2015, ASTM A500/A500M-2018 da EN10219-1&2-2006.
En10219-2 ya ce haƙurin diamita shine -/+ 0.6%, haƙurin kauri bai wuce -/+ 10% ba, squareness na bangarorin shine 90⁰± 1⁰, kuma radius na sasanninta bai wuce sau uku ƙayyadadden kauri na bango ba.A cikin ma'auni EN10219, Hakanan yana ba da ƙayyadaddun karkatarwa da madaidaiciya.
Bayan wannan binciken, ma'aikatan Youfa International Trade za su ba abokan ciniki ƙarin sabis na ƙwararru da shawarwari.
Lokacin aikawa: Yuli-19-2019