YJH produce: non-magnetic shell for directional equipment, OD: from 40mm to 230mm, ID: from 20mm to 110mm.
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Address:3-801,No. 2 building, Yimao subdistrict, No. 6 shengli east street, Taiyuan, Shanxi, China
Postcode:030009 Website:www.yj-heng.com