What are the payment terms?

We accept LC and T/T as payment terms.

What is the lead time for delivery?

During peak season, the lead time is one month; during off-season, it is within 15 workdays.

Does the crane have frequency conversion control?

Yes, the rotation, lifting, and hoisting mechanisms feature speed modulation with frequency conversion.

Topless Tower Crane China Construction Qtz50 (PT4810)

Name: Topless Tower Crane China Construction Qtz50 (PT4810)
Brand: Jinan Sanyisan International Trading Co., Ltd.
SKU: 696348232

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.

QTZ50(PT4810)

Certification

CE, ISO9001, CE, 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

Max. Load

Tip Load

Jib Length

48m

Mast Section

1.618*1.618*2.5m

Free Standing Height

40m

Max. Height

120m

Application

Construction Usage

Power Source

Hydraulic

Sling Type

Wire Rope

Tower Crane Type

Slewing Tower Crane

Transport Package

Nude in Container

Specification

Trademark

Mingwei

Origin

China

HS Code

8624200

Production Capacity

200 Units /Month

Key features

Advanced Safety Mechanisms: Equipped with double tighten mechanism, anti-break, anti-drop, and multiple limiters for safe operation.

High Precision Manufacturing: Utilizes robot automatic welding, CNC plasma cutting, and automatic blasting for superior accuracy.

International Certifications: Certified with CE, ISO9001:2000, and Special Equipment Manufacture License.

Stable Frequency Conversion: Features frequency conversion speed modulation for stable braking and accurate positioning.

Durable Material Construction: Mast sections and jib made of manganese Q345B steel for high strength and durability.

Flexible Customization Options: Offers full customization, minor customization, and flexible customization from samples or designs.

Global Export Experience: Successfully exported to Saudi Arabia, Qatar, India, Vietnam, Iran, UAE, and other countries.

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.