Txhua pawg
EN
Hais txog

EXPORT khoom

Tsis tas li peb tau pom cov khoom lag luam ruaj khov thiab ntseeg tau ntawm boron carbide thiab borax / boric acid thiab lithium carbonate / hydroxide thiab lwm yam khoom siv tshuaj. Peb cov khoom tau raug xa tawm mus rau South-America thiab Middest-East thiab South-East Asia thiab Africa thiab lwm yam ...

PURPOSE

Kev loj hlob thiab kev tsim yav tom ntej

Joylong yog koj tus khub txhim khu kev qha, Cov neeg siv khoom xav tau yog peb txoj kev nyiam, cov neeg siv khoom txaus siab yog peb lub hom phiaj.

Peb vam thiab cia siab tias yuav koom tes nrog cov neeg siv khoom tshiab thiab qub los tsim thiab tsim lub neej yav tom ntej ua ke.