ONCE Environmental Protection Science & Technology (Shanghai) Co., Ltd (ONCE) was established in 2016. We are a technology-oriented enterprise dedicated to providing professional services in water treatment chemicals, integrating technology R&D, production and sales, and technical services. Since our establishment, ONCE has been awarded the honorary titles of "high-tech enterprise", "specialized, high-end and innovation-driven SMEs", "Little giants enterprise".
from world's QS 100 universities
Laboratory sites and production lines
in the industry
Providing clean production technology & solutions
Service
RAW MATERIALS IN LITHIUM BATTERY INDUSTRY
RECYCLING AND RE-USE SLAG
HF,H3PO4 ,HNO3 RECYCLING
RESOURCE UTILIZATION OF PHOPHATING SLAG
WATER TREATMENT CHEMICALS
Project
SLAG FULL CHAIN RESOURCE UTILIZATION
COKING WASTE WATER TREATMENT PROJECT (ANHUI)
FLUORIDE EMISSION REDUCTION PROJECT (SHANXI)
SLUDGE DEEP DEHYDRATION AGENTS AND SYSTEM
Honors and Qualifications
SILVER AWARD FOR INNOVATION by The 20th Session China International Industry Fair , Certificate of High & New Technological Enterprise , Specialized and Sophisticated SMES , “Little Giant” Film , Academician Workstation.