Import A4 Book Cover — Buy in Bulk from Supplier in China

The A4 Book Cover from Yiwu Joinus Stationery Co., Ltd.sourced from Zhejiang Province, China, is a protective sleeve designed for standard A4 documents measuring 210 mm by 297 mm. The cover features a waterproof exterior to guard against spills and stains, paired with a clear front panel for title visibility. Its lightweight construction allows for easy handling in high-volume environments including schools, offices, and libraries. The listing indicates flexible bulk supply options with FOB and CIF shipping terms available, though exact MOQ figures are not stated and should be confirmed directly with the supplier.

The waterproof layer is typically a polypropylene or PVC-based film, materials standard in the stationery industry for durability and moisture resistance. The clear front is commonly manufactured from transparent PVC or acetate with a thickness ranging from 0.15 mm to 0.30 mm for adequate rigidity without excessive weight. In the Chinese stationery cluster around Yiwu, such book covers are produced in volumes that leverage integrated supply chains for plastic sheeting, cutting, and binding equipment. The lightweight attribute suggests a total weight per unit below 50 grams, typical for single-piece A4 covers intended for consumer and institutional markets.

Primary buyers include educational procurement departments, office supply distributors, and library systems requiring document preservation solutions. The A4 format compatibility ensures immediate utility across international markets without format conversion. For importers, the proximity to Ningbo Port (approximately 200 km from Yiwu) offers established container shipping routes. Buyers should verify the exact polymer composition if phthalate-free or REACH-compliant variants are required for their market, as the listing does not specify material certifications.

Yiwu Joinus Stationery Co., Ltd. is located at 423 Suxi Road, Xufeng Cun, Suxi, Yiwu, Zhejiang Province, 322000, China. The companys trust tier is classified as harbor on the platform, with a response rate of 0.00 percent and an average response time of zero hours, indicating no recorded reply activity to date. The address places it within the Yiwu stationery and small-goods manufacturing corridor, one of Chinas most concentrated production zones for office and school supplies. No verified third-party certifications, years in operation, or factory size disclosures are present in the available profile data.

The listing presents the company as a wholesale source for A4 book covers with flexible bulk supply arrangements, though specific production capacity, employee count, and annual revenue figures are not stated and should not be assumed. Buyers should note that the absence of response data means direct outreach is essential to confirm active operations, current production schedules, and verification status of any claimed capabilities. The supplier profile does not name specific export markets, clientele, or certification holdings.