... 2)Pu injection sole 3)Wear,slip and oil resisting 4) ... in Ningbo,China.We are specializing in producing working footwears.Just like ce approved safety shoes,oil resistant shoes,leather working boots,safety boots,military boots ... certificate.Accordingly our shoes are manufactured in strict accordance with EN20345 and ... tested safely through 1100 Newtons.3.Wear-resisting,acidproof of slip resistance,able ...