Chaw ua hauj lwm:
![1 (1)](http://www.ttdingtian.com/uploads/6c1e1c05.jpg)
![1 (2)](http://www.ttdingtian.com/uploads/c2287f4c.jpg)
![1 (3)](http://www.ttdingtian.com/uploads/7a2bd939.jpg)
![1 (4)](http://www.ttdingtian.com/uploads/9fe4f47e.jpg)
Daim ntawv pov thawj
![1 (1)](http://www.ttdingtian.com/uploads/6c1e1c051.jpg)
FSC Cov ntawv pov thawj hav zoov
![1 (2)](http://www.ttdingtian.com/uploads/c2287f4c1.jpg)
ISO9001 Kev Tswj Xyuas Txheej Txheem Ua Haujlwm Zoo
![1 (3)](http://www.ttdingtian.com/uploads/7a2bd9391.jpg)
ISO14001 ib puag ncig kev tswj xyuas ntawv pov thawj
Cov txheej txheem ntau lawm:
![1 (1)](http://www.ttdingtian.com/uploads/6c1e1c052.jpg)
Tshawb nrhiav cov pwm
![1 (2)](http://www.ttdingtian.com/uploads/c2287f4c2.jpg)
Pwm ntau lawm
![1 (3)](http://www.ttdingtian.com/uploads/7a2bd9392.jpg)
Lub ntsws
![1 (4)](http://www.ttdingtian.com/uploads/9fe4f47e1.jpg)
Ntub embryo duab
![1 (5)](http://www.ttdingtian.com/uploads/956d1bc5.jpg)
Kub nias
![1 (6)](http://www.ttdingtian.com/uploads/85c71a9f.jpg)
Tuag txiav yas
![1 (7)](http://www.ttdingtian.com/uploads/c7ce3f92.jpg)