久久久久亚洲精品无码网址-亚洲旡码欧美大片-国产猛烈高潮尖叫视频免费-国产免费无码一区二区-少妇厨房愉情理伦片bd在线观看
<noscript id="zu6hw"><del id="zu6hw"></del></noscript>
<style id="zu6hw"></style>
Hotline：
18857165617 Ms. Yang
中文
EN
Home
About Us
Company Profile
Appointment interview
corporate culture
Video Center
News
Company dynamics
Common problem
Product
PURGE AND TRAP SERIES
Headspace sampler
Thermal desorption
Gas generator
Consumables and accessories
Atmospheric preconcentration
Extractive distillation series
Gas injection dilution series
en在線系列
en多功能前處理自動進樣系統
Service support
solution
Supporting case
Contact
Popular：
Thermal desorption instrumentation ，Headspace sampler
Purge and trap
Extraction and distillation
Atmospheric preconcentrator
Gas sampler and dynamic dilutor
News
Company dynamics
Common problem
Common problem
Home
>
News
>
Common problem
question
*
name
*
tel
*
Road
0
page
0
strip
About Us
Company Profile
Appointment interview
corporate culture
Video Center
News
Company dynamics
Common problem
Product
PURGE AND TRAP SERIES
Headspace sampler
Thermal desorption
Gas generator
Consumables and accessories
Contact us
Add：Building 13,Zhongnan High-tech Electronic InformationIndustrial Park,Yanjiao Sanhe Langfang,Hebei，China.
EMAIL：info@bjzyyskj.com.cn
Tel：+86-010-61598028 18857165617 Ms. Yang
Fax：010-61598028-108
WeChat
Scan
Copyright ? 2018 Beijing Zhongyi Yusheng Technology Co., Ltd
京ICP備10046828號-2
Common problem