QINGDAO BEIXIANG INTERNATIONAL TRADING CO.,LTD
青岛北橡国际贸易有限公司
Synthetic rubber
natural tubber
carbon black
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Chiese synthesis rubber Butadiene Rubber:BR9000 BR544 BR1243 Styrene Butadiene Rubber ：SBR1502,SBR1500,SBR1502E,SBR1500E,SBR1712,SSBR2564,SSBR2557 Russain rubber II 1676T/IIR1675T,IR970,IR980 ,BR544 Carbon black N220,N330,N440,N550,N660
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