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BBY heat treatment of pin surface

previous item: SPROCKET HEAT TREATMENT
JJ TEC CO., LTD.
Sede de Cidade Xiamen: 
Addr. : Sala 1903, NO.386 JiaHe Rd., Distrito Huli, Xiamen, Fujian, China 
Telefone : +86-592-5663920
E-mail :  arlex@jj-tec.com

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