亚洲无AV在线中文字幕,欧美性猛交XXXX乱大交极品,精品久久久久久久久久久久久久久,亚洲第一天堂国产丝袜熟女
CONTACT NUMBER
86-416-7988200
OFFICIAL WECHAT
OFFICIAL WECHAT
TOP
SPECIFICATION

Grade

Application

Duration

Ingot

Micro-bubble density 

YX30C

PV

>150h

1-4 <0.3.%

YX30B

PV

>250h

4-6 <0.30%

YX30A

PV

>350h

6-7 <0.30%

YX30S

PV

>450h

8-10 <0.30%

YX80A/S

Semi N/A ------ <0.20%

YX80X

Semi N/A ------ <0.20%

The duration is different due to different technological conditions.



SERVICE HOTLINE
86-416-7988202
86-416-7988237
Copyright:Jinzhou Youxin Quartz Technology Co., Ltd.
Technical Support:遼寧華??萍加邢薰?/div>