Tsingtuo Group mass-produces stainless steel for ball point pen head
2020-06-02 17:06:19 [Print]
Recently, the environmentally-friendly and free-cutting ultra-pure stainless steel produced by Tsingtuo Group Co
. , Ltd . , a subsidiary of Tsingshan Industry for ball point pen head passed the comprehensive performance evaluation of customers, and Tsingtuo Group has signed a long-term supply contract with customers to start mass supply for the production of ballpoint pen head.