Rubber siamna hi thil harsa tak a ni a, rubber raw chu thil siam zawh tawhah a chantir thei a ni. Hetiang kalphung hian stage engemaw zat a huam a, chung zingah chuan compounding, mixing, milling, molding, curing, leh finishing te pawh a tel. Stage tin hian chipchiar taka ngaihven a ngai a, quality control standards zawm tlat a ngai bawk .