WSD CHEMICAL- PVC Raw Materials And PVC Additives Manufacturer&Supplier Since 2000

Company Overview

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.

Strategic Location & Logistics Advantage

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.

Complete PVC Raw Materials & Product Range

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.

Customer-Centric Supply Policies
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

Technical Team & Full-Cycle Support

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

Flexible Trade Terms & Payment Options

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

Global Distribution Network

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.

Our Commitment: Technology + Supply Chain

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.

FAQ

Q: As a global PVC processor, I need to source different categories of PVC chemicals, can you serve as our single one‑stop supplier to replace our current multiple scattered vendors?

A: Absolutely. WSD Chemical provides a full one‑stop PVC chemical sourcing solution that covers not only our self‑produced core PVC additives, but also a complete portfolio of PVC resin, PVC paste resin, stearates, PVC stabilizers, internal & external lubricants, plasticizers, impact modifiers, PVC processing aids, chemical blowing agents, pigments, optical brighteners, antioxidants & UV absorbers. Backed by long‑term audited partnerships with top‑tier polymer additive factories, every product is strictly aligned with unified industry standards and your specific end‑user requirements. This integrated capability completely eliminates the hassle of coordinating multiple suppliers, simplifies your entire procurement chain, and saves substantial operational communication and management time for your team.

Q: What extra value can I get from your one‑stop sourcing model compared to purchasing chemicals separately from different suppliers?

A: Our integrated sourcing service helps you cut costs across the full chain: reduce raw material purchasing expenses by bundling orders, cut repeated supplier communication time, lower occupied capital turnover pressure from multiple separate payments, and avoid potential operational risks caused by mismatched product parameters from different vendors. You will also only need to connect to one dedicated account manager for all your PVC chemical orders, including unified order tracking, consolidated shipping arrangement, and one‑point after‑sales support, which greatly simplifies your whole procurement workflow.

Q: Can your one‑stop service also support customized matching solutions for my specific production scenarios?

A: Yes. For different segmented processing scenarios such as UPVC pipes & fittings, PVC profiles, wall panels, ceiling sheets, SPC floor, PVC shoe & soles, artificial leather, PVC wire or cable, PVC compound materials and other PVC finished products, we can tailor matching raw material combination solutions based on your equipment parameters and performance requirements, eliminating the need for repeated self‑testing and adjustment when you source products from separate suppliers.

Q: What makes your technical support different from other common PVC chemical suppliers?

A: Our biggest advantage comes from deep practical industry expertise accumulated over two decades in the PVC and rubber sector, with our technical team holding rich hands‑on experience covering nearly all mainstream PVC application scenarios. We are not just a chemical supplier — we are your 24/7 on‑call PVC formulation consultant. Rather than only providing you with standard product specifications, we deliver actionable, field‑proven guidance in raw material selection, mixing formula adjustment, on‑site production troubleshooting and overall process optimization that you cannot easily get from ordinary trading vendors.

Q: Can your team provide targeted technical services to help us optimize our existing production formula and reduce production waste?

A: Of course. Our dedicated PVC‑focused product development and testing team with 20+ years of practical experience can provide targeted PVC production formula optimization support for your facility, to help you effectively reduce your overall processing waste rate. Our rigorous quality system and professional technical guidance avoid unexpected material deviations, reduce production waste, and keep your manufacturing line running stably for long‑term stable operation.

Q: After we place the order, what kind of accompanying technical support can we enjoy for free?

A: We provide free formula debugging suggestions and remote diagnosis of production abnormalities for all our clients. If you encounter production process problems after receiving the goods, our experienced technical team will connect with you immediately to help you locate the issue and provide verified solutions, to help you optimize production processes and improve finished product yield, avoiding unplanned production downtime losses.

Q: Your company has been serving global downstream processors since 2000, how mature and reliable is your technical system for global clients?

A: We have served downstream processors across more than 30 countries since 2000, with proven long‑term trust from global clients. All the technical solutions we provide have been fully verified by thousands of production cases across different regional markets and different PVC processing scenarios. Our in‑house R&D team can also adjust formulas fast to match your special local production requirements or new product R&D demands.

Q: Apart from the two core advantages of one‑stop sourcing and full technical support, what other supporting facilities do you have to lower the cooperation threshold for global buyers?

A: We have built a full supporting service system for international clients:

‑ We maintain large self‑operated warehouses near China main sea port, most standard products maintain a 7‑10 day lead time, and we provide clear full order tracking from warehouse to vessel

‑ We support flexible global payment arrangements: we hold independent bank accounts in mainland China, Singapore and Hong Kong SAR, widely support mainstream international payment methods including TT, LC, DP and OA, to fit your company’s cash flow habits and local financial regulations

‑ We provide fast quote reply within 2 working hours, flexible MOQ that fully supports your trial production and small batch testing needs, transparent pricing without hidden fees

‑ All products come with complete standard compliance documents, professional chemical‑grade packaging that minimizes cargo damage during long ocean transit, and customized packaging solutions to match your local warehouse handling requirements