Two stacked brown grooved composite decking boards with hollow channel cross-section on a plain background

Contact

Reach our international sales and after-sales teams in Shanghai for WPC decking, wall panel, and outdoor furniture inquiries.

Contact Info

Shanghai Seven Trust Industry Co., Ltd. welcomes messages from wholesale buyers, contractors, and distributors. Use the details below to reach the department that best fits your inquiry.

Company Details

Company
Shanghai Seven Trust Industry Co., Ltd.
Address
Kangqiao Industrial Area, Pudong, Shanghai, China
Email
vip@porchdeckingwholesale.com
Fax
(86) 021-58100700

Departments

  • International Sales Dept. 1(+86) 21 51095826
  • International Sales Dept. 2(+86) 21 51095836
  • After Sales Dept.(+86) 21 61182468

Find Us

Our facility is located in the Kangqiao Industrial Area of Pudong, Shanghai, near Xiu Pu Lu.

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Before You Write

When contacting our sales or after-sales departments, please include the product category of interest — such as hollow decking, QZ solid decking, wall panels, fencing, or outdoor furniture — along with quantities and project details so our team can respond accurately.

Reaching a global supplier of composite decking and outdoor living products is straightforward when buyers know which department to approach. International sales desks typically handle wholesale orders, distributor onboarding, and project quotations, while dedicated after-sales teams address installation guidance, warranty questions, and post-purchase support. A clear division between commercial and technical contacts helps streamline communication for large-scale landscape, municipal, or residential decking projects across multiple countries and time zones. For projects involving WPC wall panels, pergolas, fencing, or coordinated outdoor furniture ranges, many manufacturers encourage early dialogue so material samples, color swatches, and technical documentation can be shared in advance. Distributors and agents often benefit from discussing market-specific requirements, such as regional climate considerations, packaging for container shipping, and co-extrusion or solid profile options. Establishing these conversations early helps align production schedules, logistics, and design expectations before formal purchase commitments are made.

Effective communication with an overseas composite materials supplier often begins with a concise written inquiry that outlines the project scope, preferred profiles, and expected order volume. Including basic information about the destination market, intended application, and any relevant certification or environmental standards allows the recipient team to route the message efficiently. Most established exporters maintain multilingual correspondence to accommodate partners in regions such as Europe, Australia, Southeast Asia, Africa, and the Americas. Follow-up correspondence typically moves into more detailed territory, covering technical data sheets, installation manuals, and sample requests for WPC decking boards, hollow or solid profiles, and complementary accessories. Buyers are usually encouraged to share drawings, site measurements, or reference imagery so the supplier can recommend appropriate wall panel thicknesses, railing systems, or pergola configurations. Maintaining organized email threads and confirming agreed specifications in writing helps prevent misunderstandings and supports a smoother transition from quotation through production, quality inspection, and final container loading.