ntswg ntswg Ⅱ

Cov lus piav qhia luv luv:

Txawj Teev Vaj

Patent Khoom


Khoom Nthuav dav

Cov FAQ

Cov khoom lag luam

Patent khoom
Kev kho mob marterials : Saj zawg zog thiab ruaj khov, zoo elasticity thiab siab tsis kam.
Cov ntaub ntawv organic polymer yog siv. Lub zog muaj zog, zoo toughness, Acid thiab Alkali tiv thaiv.
34


  • Yav dhau los:
  • Tom ntej:

  • Lwm Yam Khoom