Pioneer Ahumahi: Mai i te 1980, ko Zhejiang Qinghong New Material Co., Ltd. he mea motuhake ki te hanga i te bentonite waro. Hei pionia ahumahi, ka mahi tahi matou me te Beijing Petroleum me te Whare Rangahau Ahumahi Matū ki te arahi tonu i nga mahi hou o te ahumahi. Tiwhikete Kounga: As
Pioneer Ahumahi: Mai i te 1980, ko Zhejiang Qinghong New Material Co., Ltd. he mea motuhake ki te hanga i te bentonite waro. Hei pionia ahumahi, ka mahi tahi matou me te Beijing Petroleum me te Whare Rangahau Ahumahi Matū ki te arahi tonu i nga mahi hou o te ahumahi. Tiwhikete Kounga: As
Pioneer Ahumahi: Mai i te 1980, ko Zhejiang Qinghong New Material Co., Ltd. he mea motuhake ki te hanga i te bentonite waro. Hei pionia ahumahi, ka mahi tahi matou me te Beijing Petroleum me te Whare Rangahau Ahumahi Matū ki te arahi tonu i nga mahi hou o te ahumahi. Tiwhikete Kounga: As