cov khoom

3D Sab hauv Core

Siv Alkali resistant fiber ntau
3D GRP hauv cov tub ntxhais txhuam nrog cov kua nplaum, tom qab ntawd kho molding.
Qhov thib ob muab tso rau hauv pwm thiab foaming.
Cov khoom kawg yog 3D GRP ua npuas ncauj board.

kev nug nthuav dav