How long does it take to provide a design and quotation?

In general, it takes 5 to 7 days based on the specific requirements of the construction project.

What is the manufacturing lead time after signing the contract?

In general, it takes 30 to 60 days depending on the type and quantity of products to be produced.

What are your terms of payment?

For payments less than or equal to 1000 USD, 100% is required in advance. For payments greater than or equal to 1000 USD, 30% T/T is required in advance with the balance before shipment.

Customized Manhole Trench Box Safe Excavation Support

Name: Customized Manhole Trench Box Safe Excavation Support
Brand: YANCHENG LIANGGONG FORMWORK CO., LTD.
SKU: 2048602565

Jiangsu, ChinaYANCHENG LIANGGONG FORMWORK CO., LTD.

US$1,100.00

20-49 Tons

US$1,080.00

50-99 Tons

US$1,060.00

100+ Tons

Product profile

Customization

Available

After-sales Service

Remote Service

Warranty

One Year

Model NO.

Trench Box

Certification

ISO

Material

Steel

Type

Trench Box and Manhole Box

Color

Blue, Red, Green,etc

Processing Service

Bending, Welding, Cutting, Punching Sawing,

Title

China Manhole Trench Shoring Box for Excavation

Design Style

Modern

After Sale Service

Online Technical Support, Onsite Installation

Advantage

Quick Assemble

Transport Package

Standard Package

Specification

Customized

Trademark

LIANGGONG

Origin

China

HS Code

7308400000

Production Capacity

200 Tons/Month

Key features

Quick Assembly Design: Enables fast installation and removal without entering unsupported excavation areas.

Customizable Colors: Available in Blue, Red, Green, and other colors upon request.

Versatile Processing: Offers bending, welding, cutting, punching, sawing, and other processing services.

ISO Certified Quality: Manufactured with ISO certification ensuring high quality standards.

Flexible Strut Adjustment: Allows easy adjustment of strut and box panel for various trench widths and depths.

Durable Steel Material: Constructed from high-quality steel for repeated turnover and long-term use.

Comprehensive After-Sales: Provides online technical support and onsite installation services.

One-Year Warranty: Covers mechanical defects for one year from the date of purchase.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExhibition Experience

YANCHENG LIANGGONG FORMWORK CO., LTD.

Jiangsu, 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: 10 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤3.48h

AI-Powered supplier vetting

SummaryThe supplier is a limited company with combined company type and offers a broad range of construction formwork products. It demonstrates strong customization and R&D capabilities, including ODM services, recent new-product activity, and OEM service for known brands. Quality and management systems are supported by ISO9001:2015, ISO14001, ISO45001:2018, and CE certifications. After-sales capabilities include debugging, maintenance, repair, training, and equipment installation, supported by documented service procedures and complaint-handling records. Export experience is stated as 10 years, with exports representing 11%–20% of total sales. However, the supplier lacks a valid contract with related subcontractors, has no overseas warehouse or showroom, and does not have an available SDK. Financial evidence is present for 2022–2024, but the supplied information does not provide enough detail to assess financial strength.

Supplier typeThe supplier is identified as a limited company with a combined company type, and its stated product scope covers multiple construction formwork categories. The business scope includes activities requiring approval by relevant departments, indicating that applicable regulatory authorization should be verified for those activities.

CertificationsThe supplier reports ISO9001:2015, ISO14001, and ISO45001:2018 management-system certifications, as well as CE product compliance certification. These certifications provide explicit evidence of quality, environmental, occupational safety, and product-compliance systems.

After-Sales capabilityAfter-sales offerings include debugging, maintenance, repair, training, and equipment installation. The supplier also reports written and followed procedures for service assessment, corrective and preventive actions, and customer complaints, providing direct evidence of a structured service process.

R&D capabilityThe supplier reports new-product activity during the past year, provides ODM services, and has received one national science and technology progress award. It does not have an available SDK, but the other evidence supports a positive assessment of product-development and innovation capability.

Production capacityThe supplier offers a broad formwork product range, reports in-stock capability, uses written and uniformly followed finished-product inspection instructions, and states one-month lead times in both peak and off-season periods. A significant control weakness is that the factory and related subcontractors reportedly have no valid contract, while the production scale and capacity volume are not provided.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. The repeated and comprehensive customization scope provides clear evidence of strong adaptation to customer design requirements.

Product Q&A

Q:Are you a trading company or manufacturer?

We are a factory.

Q:What products do you design and manufacture?

We design and manufacture formwork and scaffolding products used for pouring concrete structures in housing, multi-story buildings, high-rise towers, sports stadiums, bridges, hydropower stations, and industrial structures.

Q:What services do you offer for construction projects?

We offer suggestions, formwork layout drawings, and quotations to owners, design institutes, or contractors. We also sell products to contractors, building companies, suppliers, and trading companies, while providing remote or onsite instruction to builders.

Q:Do you provide samples and are they free?

Yes, we can offer samples free of charge, but the customer must pay the freight cost.

Q:What information is needed for a brief design and quotation?

We require structural drawings and section drawings to provide a brief design and quotation.