What is the lead time for mass production?

It depends on order quantity and specific requirements. The lead time for MOQ is about 7 to 15 days.

What are your main products?

PP woven bags/fabric, various poly mesh bags/fabrics, jumbo bags (FIBC), PE stretch film, PP woven rolls, and PE bags & film.

Cement Packaging Poly Woven Valve Bag Empti PP Valve Bag

Name: Cement Packaging Poly Woven Valve Bag Empti PP Valve Bag
Brand: Shandong Shuangwei Plastic Products Co., Ltd.
SKU: 2095165725

Shandong, ChinaShandong Shuangwei Plastic Products Co., Ltd.

US$0.20

5,000-49,999 Pieces

US$0.15

50,000-99,999 Pieces

US$0.10

100,000+ Pieces

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Application

Apparel, Chemical, Household, Promotion, Food

Feature

Disposable, Bio-Degradable, Recyclable, Moisture P

Model NO.

50*80

Material

Thickness

40GSM-100GSM

Color

White

Size

Customized

Usage

Agriculture

Print

Support

Shape

Plastic Bags

Making Process

Plastic Packaging Bags

Raw Materials

Low Pressure Polyethylene Plastic Bag

Bag Variety

Organ Bag

Transport Package

Bag

Specification

Trademark

Shuangwei

Origin

China

HS Code

6305330010

Production Capacity

500000/Month

Key features

Customizable Size: Available in widths from 40cm to 200cm to meet specific needs.

Diverse Color Options: Offered in white, green, blue, gray, yellow, red, or custom colors.

Multiple Bottom Stitches: Options include single/double fold with single or double stitching.

Wide Application Range: Suitable for packing rice, flour, cement, fertilizer, sand, and more.

Flexible Top Cuts: Available with heat cut, cold cut, zig-zag cut, or hemmed tops.

Customizable Weight: Bag weight can be adjusted according to customer requirements.

OEM and ODM Services: Full support for custom branding and manufacturing processes.

Material Versatility: Made from virgin PP and recycled PP for durability and eco-friendliness.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceProduction Process VisualizationQuality Assurance

Shandong Shuangwei Plastic Products Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 5 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤4.94h

AI-Powered supplier vetting

SummaryThe supplier is explicitly identified as a professional technical supplier offering 3D software design, ODM, OEM, and multiple customization options. Production controls include sample confirmation, in-process inspections, pre-shipment QC, raw-material traceability, and stated quality assurance. However, there are no written corrective-action or complaint-handling procedures, no written supplier-service assessment records, no valid manufacturing contracts with related subcontractors, and no overseas agents, branches, warehouses, showrooms, or service coverage outside the stated port proximity. No new products were reported in the past year, and SDK availability is absent. Financial information is present only as year labels, without sufficient evidence to assess credibility. Customer evidence is limited to references to customer requirements, customer QC participation, and OEM work for well-known brands.

Supplier typeThe supplier is explicitly described as a professional technical supplier. It also provides ODM services and OEM manufacturing for well-known brands, indicating both technical-service and manufacturing roles.

After-Sales capabilityThe supplier reports no written procedures or records for handling customer complaints, and no written procedures or followed records for assessing service capability. These are explicit process deficiencies relevant to structured after-sales support.

R&D capabilityThe supplier provides 3D software design, ODM, and flexible customization services, demonstrating design and development capability. However, it has no available SDK and reported no new products during the past year, so the evidence is mixed rather than uniformly strong.

Production capacityProduction capability is supported by sample approval before bulk production, repeated in-process inspections, pre-shipment QC, inventory capability, and stated lead times of within 15 working days off-season and one month during peak season. Nevertheless, the supplier states that no valid contract exists with related subcontractors, creating a documented manufacturing-governance weakness.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. It also confirms bag details with sales staff and produces samples for customer confirmation before bulk production, directly supporting broad customization capability.

Client casesEvidence includes customer-specific QC requirements, acceptance of customers' own QC teams, participation in the VIEE offline trade show, and OEM service for well-known brands. However, no named customer, project scope, or independently verifiable case details are provided, so the evidence is limited but positive.