Peb cov dej num zoo - cov chaw ua haujlwm zoo heev thoob plaws peb txoj kev tsim nyog tuaj yeem lav rau tooj liab (II) chloride dihydrate acs,Siab Purity 99 Tooj Khib Oxide,Tooj Liab (II) Chloride Ultra Qhuav,Tooj liab oxide rhuab nrog hydrogen,Tooj Liab (II) Hydroxide CarbonateCov. Yog tias koj xav paub txog txhua yam ntawm peb cov khoom lag luam thiab cov kev pabcuam, thov tsis txhob ua siab deb tiv tauj peb. Peb npaj siab yuav teb koj hauv 24 teev tom qab tau txais koj cov lus thov thiab los tsim kev sib nrig sib thiab kev lag luam nyob ze yav tom ntej. Cov khoom yuav muab rau thoob plaws ntiaj teb, xws li Tebchaws Europe, muaj cov neeg siv khoom lag luam muaj peev xwm nkag siab cov neeg siv khoom lag luam, muaj cov neeg siv khoom lag luam nrog cov kev pabcuam ntawm tus kheej thiab cov khoom lag luam tshwj xeeb.
Tso koj cov lus