... ABS,BV,GL Efficiency: Annual output of more than 10,000 tons of steel-castingMain Product: We can ... chain wheel etc. for mine metallurgical engineering .(7) Support of bridge applies to bridgework .The product sells to: Domestic, Japan ... –support export authority, 95% of product apply to export. The max weight of one piece product is 50 ... ,CCS,Germany classification society attestation. rudder bearing