What safety devices are included?

Includes moment limiter, overload limit switch, hoist limit switch, slewing limit switch, trolley limit switch, and anemoscope.

What is the working temperature range?

The crane operates within a temperature range of -20 to +40 degrees Celsius.

Competitive Construction Crane Qtz400 (TC7052) ISO9001

Name: Competitive Construction Crane Qtz400 (TC7052) ISO9001
Brand: Jinan Sanyisan International Trading Co., Ltd.
SKU: 696021062

Shandong, ChinaJinan Sanyisan International Trading Co., Ltd.

US$200,000.00

1 Piece

Product profile

Customization

Available

Size of Mast Section

2.0*2.0*3.0 M

Jib

70m

Model NO.

QTZ400 (TC7052)

Free Standing Height

50m

Attached Height

200m

Transport Package

40hq Container

Specification

CE ISO9001

Trademark

Mingwei

Origin

China

HS Code

8426200

Production Capacity

200 Units/Month

Key features

PLC Electrical Control System: Adopts PLC for improved reliability, safety, and self-diagnosis of electric faults.

Comprehensive Safety Devices: Equipped with moment limiters, overload switches, anemoscope, and original anti-trip devices.

ISO9001 Certified: Manufactured in strict compliance with GB5144-94 and other national tower crane standards.

Flexible Customization: Offers full, minor, and sample-based customization with flexible options available.

Optimal Structural Design: Utilizes computer-aided and modular design for high strength, stiffness, and fatigue resistance.

Long Manufacturing History: Manufacturer has over 60 years of experience since 1956 in tower crane production.

Multiple Jib Options: Available with 40m, 50m, 60m, and 70m jibs to suit various construction radius needs.

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.