Shanghai Rokem Industrial Co.,Ltd: We produce TEL-B. This product is made by 61% Tetraethyl lead and 33.5% Dibromoethane. It is used for aviation gas as Anti-knock agent. It can improve the octane
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BeiGuo professionally produce of soft packing equipment, include film blowing machine, bag making machine, slitting machine, bag folding machine, winding machine, etc. The products have already been
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