The International Chemical Exhibition was held at the China International Exhibition Center from August 18th to 23rd. More than 1,500 manufacturers from 19 countries and regions including China, the United States, Italy, Japan, the United Kingdom and South Korea participated in the exhibition, covering an area of ​​14,000 m~2, exhibiting chemical products, chemical technology, and chemical equipment.
Internal Thread Cylindrical Pin,Alloy Steel Cylindrical Pin,Flat Head Cylindrical Pins,Polished Steel Cylindrical Pins
Qingdao Yukun Bearing Needle Roller Co.,Ltd. , https://www.ykneedleroller.com