山东四海水处理科技股份有限公司
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  • Understanding Sihai
  • Honorary qualification
  • Corporate Style
business license
High-tech Enterprise Certificate
honor certificate
CE certificate
patent certificate
Occupational health and safety management system certification
Quality management system certification
Environmental management system certification
China Membrane Industry Association Membership Certificate
Health permit
Health permit
Contract-abiding and trustworthy enterprise
Municipal “Specialized, Specialized, New” SME
Municipal Enterprise Technology Center
National High-Tech Enterprise
Shandong University of Technology Teaching and Research Practice Base
Scientific and technological achievements transformation base
About SiHai
Corporate Style
Honorary qualification
Understanding Sihai
Service support
Product Center
Water purification equipment
Reverse osmosis equipment
Seawater desalination equipment
Nanofiltration equipment
Ultrafiltration equipment
Demineralized water equipment
Disc filter
Direct drinking water equipment
Reclaimed water reuse and zero discharge
MBR membrane equipment
Water reuse equipment
Sewage treatment equipment
Sewage integrated equipment
Electrocatalytic oxidation equipment
Silicon carbide film
Silicon carbide flat film
Silicon pillar film
Silicon carbide membrane module
Fan equipment
Single-stage high-speed centrifugal blower
Air suspension fan
Equipment Accessories
News Center
Common problem
Company dynamics

CONTACT US

  • Address:
    2252 yiwangfu North Road, Qingzhou City, Shandong Province
  • E-Mail:
    qzsihai@163.com
  • Sales Department:
    0536-3290366         
  • Purchasing Department:
    0536-3257266
  • Mobile Phone:
  • 400-677-8677
  • Copyright © 2020 Shandong Sihai Water Treatment Technology Co., Ltd. All Rights Reserved
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