WSD CHEMICAL LIMITED

WSD CHEMICAL LIMITED, also operating as Shengzhou Worthside Chemical Co., Ltd, is your trusted one-stop manufacturer and supplier for PVC raw materials and PVC processing additives, backed by 20+ years of hands-on experience in PVC plastic manufacturing and processing.

Founded in 2000 and based in Shaoxing, Zhejiang, China, WSD CHEMICAL sits within 200 km of Shanghai Port and 100 km of Ningbo Port, with seamless access to highway networks, high-speed rail routes and regional airports. This location builds a highly efficient logistics foundation for fast, reliable global order fulfillment.

Our complete product range covers every essential supply for PVC industrial production:

PVC resin & PVC paste resin

PVC stabilizers, PVC lubricants, PVC plasticizers

PVC impact modifiers, PVC processing aids

Chemical foaming agents, antioxidants, UV absorbers, optical brighteners and related organic raw materials

Our formulated materials are widely adopted in production of PVC pipes & fittings, window and door profiles, wall panels, ceiling boards, WPC/PVC foam boards, SPC/PVC flooring, wire & cable compounds, PVC shoes and soles, PVC sheets and PVC films.

We eliminate unnecessary barriers for global PVC processors with clear, customer-centric policies:

No minimum order quantity for standard stock items

Mixed container loading supported to combine different product lines in one shipment

Pre-stored inventory across major Chinese ports enables fast dispatch for urgent orders

Customized formulation and packaging solutions available for project-specific needs

Unlike ordinary chemical suppliers, our full-cycle technical team delivers mature, production-ready support covering raw material selection guidance, custom formulation design, formulation optimization, on-site production troubleshooting and problem-solving. This helps clients cut production waste, avoid unexpected line downtime and boost final product quality.

10-person R&D team focused on raw material matching, formulation design and process optimization

5-person dedicated quality inspection team running full batch testing before every shipment

10-person combined sales & technical service team providing on-site production debugging support at client facilities

We accommodate flexible trade terms tailored to different buyer profiles:

Multiple international trade methods accepted to match regional operational habits

Diverse payment condition options available for qualified partners

Long-term price locking and credit account terms offered for established repeat customers to stabilize supply chain cost planning

Our distribution network covers over 40 countries and regions across Asia, Europe, Africa, South America and North America. We maintain official local agents and representative offices in Bangladesh, Pakistan, Russian-speaking countries, Algeria and Hong Kong SAR, ensuring localized after-sales support, fast order response and on-ground technical assistance for regional clients.

WSD CHEMICAL always adheres to the dual-core capability of “Technology + Supply Chain”, delivering cost-effective raw materials and highly reliable complete technical solutions for every PVC manufacturing partner. We are far more than a PVC chemical supplier — we are your dedicated, long-term partner growing together in the global PVC industry.