About us

ZheJiang Longyou Sihai Chemical Industrial Co.,Ltd. is a professional engaged in efficient halogen free environmentally friendly flame retardant research, production and application of high-tech private joint-stock enterprises. Products research and production areas such as: halogen-free phosphorus-containing additive flame retardants, phosphate mixed matches zero halogen flame retardant and related fine chemical products, that is the national "twelve. Five" plan to promote the product, and we won the ISO9001:2002 international quality certification.

We owned one professional, positive, effective, technologic team to help client solve any technical problems, meantime we set up ZheJiang Over Sea Import & Export Co.,Ltd to provide excellent service for you all the time.
SiHai’s Mission : One stop shop of flame retardant products.
SiHai’s Difference:

• 1. Customer-centric: We are focused on our customer, on meeting your needs with timely, cost-effective solutions. Our passion is to be your "go to" supplier.
• 2. Full-service: We do all the hard work - one stop shopping for all of your chemical buying needs
• 3. Cost Management:Active buying to leverage market price trends. Aggregate customer demand to secure volume pricing for you
• 4. Sourcing:We can find it for you, now. We are an extension of your team.
• 5. Negotiating:Best-in-class buying reduces your costs
• 6. Logistics:Prompt, on-time delivery from our extensive warehouse network
• 7. Sustainable:Best-in-class for environmental and social responsibility