Import Duplex Board — Buy in Bulk from Supplier in China

Duplex board from Henan Hengda Paper Co., Ltd. is a two-ply paperboard with a white top layer and a recycled brown back, designed for rigid packaging applications. The product is available in grammages from 230 gsm to 500 gsm, with thickness ranging between 0.28 mm and 0.62 mm depending on weight. Surface smoothness is suitable for offset and flexographic printing, and the board meets standard brightness levels of 78% to 85% ISO. It is not coated or laminated, making it suitable for direct printing and die-cutting without adhesive delamination.

The top ply is typically made from bleached chemical pulp, while the back ply uses a mix of recovered fibers. This construction balances cost, rigidity, and print performance. The board has a moisture content of approximately 8% to 10% under standard warehouse conditions, which helps maintain dimensional stability during printing and folding. It is free from fluorescent brightening agents unless specified by the buyer. Industry-standard grades for duplex board include SBS (Solid Bleached Sulfate) and CCNB (Clay Coated News Back), though this product aligns more closely with CCNB due to its uncoated back.

This material is commonly used for retail cartons, file folders, courier envelopes, and cosmetic packaging. Buyers include mid-volume packaging converters in Southeast Asia, the Middle East, and Eastern Europe who require consistent flatness for automated folding machines. The product is supplied in reams of 500 sheets or bulk rolls, with standard sheet sizes of 787 mm x 1092 mm and 889 mm x 1194 mm. Lead times for standard orders are typically 15 to 25 days after deposit, and FOB Shanghai or CIF port terms are available upon request.

Henan Hengda Paper Co., Ltd. is a paperboard manufacturer based in Zhengzhou, Henan Province, China. The company is listed as an imported supplier with harbor trust tier, indicating verified export activity and documented shipping records. The supplier address is confirmed as 4A, 4th Fl., 26 South Yousheng Road, Zhengzhou. No information is available regarding years in operation, production capacity, or client list. The listing does not claim certifications such as FSC, ISO, or PEFC, nor does it state any export volume or workforce size.

The company appears to operate as a direct producer of duplex board and related paper products, with no indication of third-party sourcing or trading. Response rate and average response time are not recorded in the listing, suggesting limited digital engagement or absence of a dedicated sales team. Buyers should treat this as a factory-level source with documented export history but unverified production standards beyond the product data provided.