Nguva pfupi yadarika, ndakadzidza kubva kuPetrochemical research Institute kuti "kiyi technologies yeSynthetic Rubber's Rubber
Muchidimbu chehunyanzvi hwehunyanzvi senge nyeredzi-type barned butyl / bromoButy capitally Standard ichawedzera chikamu cheSynthetic Rubber Zvisikwa muGrace Kugadzirira neChina Synthetic Kuwedzera kweNyika uye Kugadziriswa Kwemhando yeNyika INOGADZIRA ISANGANO REMAHARA
Butyl Rubber ndiyo yakarongedzwa ruzha ruzhinji China {5}
Kuti udzorere mamiriro ezvinhu epamba ezvipfuyo zvesimba, "Big asi isina simba rekukwirisa kwechiSystem,