How could we do if the parts broken within warranty?

We would express the free replacement parts during the warranty date.

Does your engineer understand English?

Our engineer understand a little English. All of our engineers have more than five years machine installation experience.

How many worker do we need running those machines?

Usually need one person to opertate the machine.

How do we solve the machine problem after your engineer leaving?

Generally speaking, there will be no problem after finish installing. In case you have any problem. You can contact our sales at any time. Our engineer will take a solution video according your description.

How can I visit your company?

It takes 50 minutes by car from Wenzhou Air Port to our factory . And it takes only 10 minutes by car from Ruian train station to High Sea factory .

Four Lines Fully Automatic Vest Bag Air Blowing Feeding Double Lines Plastic Bag Making Machine

Name: Four Lines Fully Automatic Vest Bag Air Blowing Feeding Double Lines Plastic Bag Making Machine
Brand: Wenzhou High Sea Machinery Co., Ltd.
SKU: 870139585

Zhejiang, ChinaWenzhou High Sea Machinery Co., Ltd.

US$20,000.00-50,000.00

1 set

Product profile

Customization

Available

After-sales Service

1year

Warranty

1year

Model NO.

HSG-300x4

Product Line

Lines

Voltage

380V

Seals Mode

Heating Seals

Speed

High

Continuous-Rolled

Sealing & Cutting

Heat-Sealing Heat-Cutting

Layer

Machine Type

Bag Forming Machine

Computerized

Type

Plastic Bag Making Machine

Two Lines Width of Bags

250-520mm

Two Lines Length of Bag

400-800mm

Four Lines Width of Bag

170-250mm

Four Lines Length of Bag

350-650mm

Film Thickness

0.01-0.035mm

Bag Making Speed

100-220PCS/Min

Air Compressor

5.5HP

Main Power

14kw

Machine Weight

3000kg

Transport Package

Wooden Pallet

Specification

L7500x2000x1700mm

Trademark

High Sea

Origin

Made in China

HS Code

84778

Production Capacity

500sets/Year

Key features

Dual Production Modes: Supports four lines for small bags and two lines for large bags in one machine.

High Efficiency Output: Production speed up to 220 pcs/min per line with 4 lines total capacity.

Wide Size Customization: Bag width adjustable from 170mm to 520mm; length from 350mm to 800mm.

Versatile Material Support: Suitable for HDPE and LDPE materials for both printing and non-printing bags.

One-Year Warranty: Comprehensive one-year guarantee covering all mechanical defects and parts.

Expert On-Site Support: Engineers arrive within 7-15 days for installation and training within 3-7 days.

Low Labor Requirement: Only one operator is typically needed to run the fully automatic machine.

Global Service Network: Cooperating with over 54 countries with experienced engineers for support.

Company profile

Wenzhou High Sea Machinery Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2006-06-06Average Response Time: ≤7.97hTerms of Payment: LC, T/T, Money GramInternational Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryWenzhou High Sea Machinery Co., Ltd. is a China-based limited company in Zhejiang that is described as both a trading company and manufacturer/factory, specializing in bag-making, film-processing, printing, and related machinery. Evidence indicates ISO 9001 and CE certification claims, six production lines, 6–10 quality-control staff, broad export coverage, and export activity since 2006. The supplier reports internal process standardization, research and development activity, branded component usage, and stated quality testing before delivery. However, the provided information does not sufficiently verify after-sales service performance, financial credibility, customization capability, or specific customer cases.

Supplier typeThe supplier is identified as a trading company in one record and as both a trading company and manufacturer/factory in another. Its listed business covers packaging and printing machinery manufacturing and processing, with a specific factory address in Pingyang County, Zhejiang.

CertificationsThe supplier states that its machines passed CE certification and that its quality system is certified to ISO 9001. It also reports Bureau Veritas personnel inspecting its workshops, although the provided information does not include certificate numbers, validity dates, or inspection reports.

R&D capabilityThe supplier states that it continuously researches and develops new equipment and identifies 6–10 years of total experience for its R&D engineers. This supports the existence of R&D activity, but no specific innovations, patents, development results, or product-launch record is provided.

Production capacityThe supplier reports six production lines, 6–10 quality-control staff, lead times of within 15 working days off-season and one month in peak season, and a broad machinery product range. It also states that equipment undergoes quality testing and safety packing before delivery, supporting a demonstrated production operation.