สถานที่กำเนิด
Shandong, China
Experience
26 years steel ball manufacture history
Finishing
olishing or plating of nickel zinc brass antique copper
Grade
G100 G200 G500 G1000
Size Ranges
0.35mm to 200mm or 1/32" to 8"
Product shape
perfect round
Material standard
GB AISI JIS DIN BS UNI SIS NF CSN FOCT