How long does sea shipping take from China?

About 5 weeks to European ports plus 1 week customs clearance (6-7 weeks total). About 2 weeks to US east coast and 3 weeks to US west coast. All sea goods are shipped from Ningbo Port.

How long does air shipping take?

It takes about 7 days to all major destinations.

What are the payment terms?

Payment terms are negotiable. We prefer 30% deposit and balance by T/T before sailing, or 50% tooling fee in advance for samples. T/T 15 days after sailing may also be acceptable.

Which countries do you export to?

Mainly to U.S.A, Germany, France, Italy, UK, Brazil, Sweden, Japan, Korea, Middle East of Asia, Thailand, and so on.

Can we visit the factory for an audit?

Yes, you are welcome to visit our factory.

How are complaints handled?

If complaints occur after delivery, please provide photos and details. We will check with production and QC departments immediately and provide a solution agreed by both parties. We bear all costs, including shipping.

Customized Coal Mining Foundation Drilling Bit Tools

Name: Customized Coal Mining Foundation Drilling Bit Tools
Brand: Wenzhou Lianggong Forging Co., Ltd.
SKU: 895354655

Zhejiang, ChinaWenzhou Lianggong Forging Co., Ltd.

US$1.00-7.00

500 Pieces

Sample price:US$0.50/piece.Request sample

Product profile

Customization

Available

Processing Object

Metal

Molding Style

Forging

Model NO.

as per your request

Molding Technics

Forging

Application

Machinery Parts

Material

Steel

Heat Treatment

Quenching and Tempering

Surface Treatment

Sand Blasting

Forging Tolerance

+/-0.2mm

Standard

Per Your Request

Certification

ISO 9001:2008

Transport Package

Wooden Case

Specification

ISO9001: 2008

Trademark

LIANGGONG

Origin

China

HS Code

7326191000

Production Capacity

10000ton/Year

Key features

High Hardness & Toughness: Alloy steel body with 38-42HRC hardness and tips over 50 HRC for superior wear resistance.

Customized Manufacturing: Forging tolerance +/-0.2mm; standard and design customized per customer drawings or samples.

ISO Certified Factory: Produced in ISO9001:2015 certified factory with China Customs registration for export/import.

Wide Application Scope: Suitable for mining, construction, tunneling, steel, forestry, and natural stone industries.

High Efficiency Performance: Ensures high feed rate, long service life, short tool changing times, and high daily production.

Strict Quality Control: Comprehensive inspection process including material, forging, heat treatment, and machining.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceQuality AssuranceR&D Capabilities

Wenzhou Lianggong Forging Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2015-01-20Nearest Port: Ningbo,ShanghaiAverage Response Time: ≤24hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP

AI-Powered supplier vetting

SummaryThe supplier is a diversified manufacturer and trader covering metal cutting and welding equipment, molds, forgings, powder metallurgy products, automotive parts, agricultural machinery, valves, and related equipment. It demonstrates documented quality, complaint-handling, corrective-action, inspection, and supplier-assessment procedures, supported by ISO9001:2015 and CE certifications. Production evidence includes forging capacity of 20,000 tons and eight quality inspectors, with valid contracts covering associated subcontractors. The supplier offers broad customization, OEM services for well-known brands, CAD and UG software capability, and documented R&D design-control records. Service limitations include no overseas warehouse, showroom, agent, branch, or offline trade-show participation, and overseas service coverage is recorded as zero countries. Financial information is limited to year labels without performance figures, so credibility cannot be fully assessed. Customer-case evidence is also...

Supplier typeThe supplier operates across manufacturing, sales, wholesale, and retail activities, including metal cutting and welding equipment, molds, forgings, powder metallurgy products, automotive spare parts, agricultural machinery, and valves. This indicates a diversified industrial supplier rather than a narrowly specialized entity.

CertificationsThe supplier holds an ISO9001:2015 management-system certificate and CE product compliance certification. These certifications provide explicit evidence of quality-management and product-compliance credentials.

After-Sales capabilityThe supplier has documented procedures and records for corrective and preventive actions and customer complaints, and R&D engineers provide technical support for production and after-sales service. However, it lacks overseas warehouses, showrooms, agents, branches, and reported overseas service coverage, limiting geographically supported after-sales delivery.

R&D capabilityThe supplier has technology engineers responsible for confirming customer requirements and providing technical support, maintains design input/output, review, verification, and validation documents, and uses CAD and UG. However, it reports no available SDK, so the evidence supports engineering and design capability but not software-integration capability.

Production capacityProduction evidence includes 20,000 tons of annual forging productivity, CNC lathe, forging, heat-treatment, and shot-blasting equipment, eight quality inspectors, standardized finished-product inspection instructions, inventory capability, and valid manufacturing-capacity contracts with associated subcontractors. Lead times are stated as one month in peak season and within 15 working days in the off-season.

Customization capabilityThe supplier offers full, minor, flexible, design-based, and sample-based customization, while its engineers confirm customer requirements and provide technical support. It also reports OEM service for well-known brands and maintains documented R&D design-control records, providing explicit support for broad customization capability.

Product Q&A

Q:Are you a genuine manufacturer?

Yes, all products are produced in our ISO9001:2015 certified factory. We are also a company registered by China Customs with the right to export and import.

Q:Can we sign an NDA to keep our design confidential?

Sure, to protect customers' profit is our obligatory responsibility, signed NDA would be valid to both of us.

Q:What information is needed for a quotation?

Please provide detailed information such as drawings (2D/3D via Pro/E, Auto CAD, SolidWorks, UG, etc.), materials, surface treatment, quantity, package, and any special requirements like tolerance.

Q:How long does it take to receive samples?

20 working days. The lead time is the general production period and does not include transportation time. We can supply free samples with less quantity, but customers need to pay shipping cost.

Q:What is the manufacturing lead time for mass production?

30-45 working days after sample approval. This is the general production period without transportation time. Special production arrangements can be made for urgent needs.