What is the lead time for production?

The lead time is within one month during peak season and within 15 workdays during the off-season.

What materials are used for the main structure?

We use high-quality steel from Shanghai Baosteel, specifically 16M and Q235B, which are tested for qualification before use.

Construction Machine Qtz400L25

Name: Manufacturing Machine Tower Crane/Tower Crane/Building Crane/Construction Machine Qtz400L25
Brand: Jinan Sanyisan International Trading Co., Ltd.
SKU: 713047912

Shandong, ChinaJinan Sanyisan International Trading Co., Ltd.

Negotiable

1 Piece

Product profile

Customization

Available

After-sales Service

24 Hours

Warranty

One Year, 1 Year

Model NO.

Qtz400L25

Certification

CE, ISO9001, ISO9001: 2000

Condition

New

Maximum Lifting Height

150-200m, >250m

Maximum Lifting Weight

8t, >10t

Installation

Jack-Up

Moving Type

Fixed

Type

Tower Crane, Top-Slewing Crane

Jib

70m

Free Standing Height

50m

Attached Height

200m

Application

Construction Usage

Sling Type

Wire Rope

Power Source

Hydraulic

Transport Package

40hq Container

Specification

CE ISO9001

Trademark

Mingwei

Origin

China

HS Code

8426200

Production Capacity

200 Units /Month

Key features

Customizable Specifications: Jib, height, and application can be customized to meet specific project requirements.

Premium Material Quality: Uses Shanghai Baosteel 16M and Q235B steel for superior structural strength and durability.

Advanced Welding Technology: Adopts robot automatic welding system for main joints, ensuring high automation and quality.

Comprehensive Warranty: Provides 12-month warranty for equipment and lifelong free technical support.

Professional Installation Support: Seller sends professional technicians to guide on-site erection and installation.

High Safety Factor: Each device undergoes strict testing before shipping to minimize post-sale issues.

Flexible OEM/ODM Service: Supports full customization, minor customization, and design-based customization options.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceMulti-language Pioneer

Jinan Sanyisan International Trading Co., Ltd.

Shandong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 13 Years CertifiedNearest Port: Qingdao PortAverage Response Time: >24h

AI-Powered supplier vetting

SummaryThe supplier appears to be a construction machinery manufacturer focused on tower cranes, with a reported 20,000-square-meter production workshop, 300 specialized production units, and annual output of more than 5,000 cranes. It provides broad customization and ODM services, and reports OEM service for well-known brands. The company has operated in export markets for 13 years, with exports representing 31%–40% of total sales, although exports are conducted through agents. After-sales coverage is supported by 20 domestic offices and a service-tracking group. Key limitations include no reported inventory, overseas warehouse, showroom, or overseas branch/agent capability. No new products were reported in the past year, while SDK availability indicates some R&D support. Financial records are indicated for 2020–2022, but their actual results are not provided. Certification, formal environmental documentation, and fire-drill status cannot be verified from the supplied information.

Supplier typeThe supplier’s stated business scope includes sales of construction machinery and related products, while its company profile identifies a large crane production workshop and annual crane output exceeding 5,000 units. This supports classification as a construction-machinery manufacturer and trader, with tower cranes as its apparent core product.

After-Sales capabilityThe supplier reports 20 domestic offices and an after-sales service group that tracks service, indicating established domestic support. However, it reports no overseas warehouse, showroom, or overseas agent/branch service capability; peak-season lead time is one month, and its service-capability assessment process lacks a written procedure.

Production capacityThe supplier reports a 20,000-square-meter production workshop, 300 specialized production units, and annual production of more than 5,000 cranes. Reported lead times are within 15 working days in the off-season and one month during peak season, supporting substantial production capacity.

Customization capabilityThe supplier lists customization from samples, designs, and full customization, along with minor and flexible customization. It also reports ODM service, providing explicit evidence of broad customization capability.

Product Q&A

Q:What customization options are available?

We offer full customization, minor customization, customization from samples, and customization from designs. Specific parameters like jib length and height can be tailored to your needs.

Q:What is the warranty period for the tower crane?

The equipment comes with a 12-month warranty after erection (excluding wire rope and AC contactor). We also provide lifelong free technical support.

Q:Do you provide installation services?

Yes, we send a professional technician to the buyer's site to guide the erection work to ensure proper installation.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 set.

Q:What are the payment terms?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) as payment terms.