What payment methods are accepted?

We accept T/T, PayPal, Western Union, Small-amount payment, and Money Gram.

What grades of diamond are available?

Available grades include industrial grade, optical grade, electronic grade, and thermal conduction grade.

Diamond Needle for Cutting Vinyl Records

Name: Diamond Needle for Cutting Vinyl Records
Brand: Chenguang Machinery & Electric Equipment Co., Ltd.
SKU: 2092687122

Hunan, ChinaChenguang Machinery & Electric Equipment Co., Ltd.

US$117.00

1-99 pc

US$100.00

100+ pc

Sample price:US$115.00/piece.Request sample

Product profile

Customization

Available

Type

Diamond

Classification of Diamond

Artificial

Characteristic

High Thermal Stability

Characteristics of Natural Diamond

High Strength

Synthesis of Cubic Boron Nitride Method

Chemical Vapor Deposition

Application

Diamond Tools, Seeds, Optical and Electronic Use

Thickness

0.5mm-3mm

Hardness

130gpa, Moh's 10

Shape

Square, Round, Rectangle or as Per Request

Color

Brown and White

Orientation

100, 110

Transport Package

Plastic Box and Carton

Specification

4*0.7*0.7mm

Trademark

Chenguang

Origin

Changsha

Production Capacity

5000PCS Per Month

Key features

CVD Synthetic Diamond: Produced via Chemical Vapor Deposition for high purity and controlled properties.

High Thermal Conductivity: Thermal conductivity exceeds 1800 W/mK for efficient heat dissipation.

Customizable Dimensions: Available in various sizes (1x1mm to 10x4mm) and shapes (Square, Round, etc.).

Ultra-Low Nitrogen Content: Nitrogen content can be less than 10ppb for high-grade applications.

Precision Tolerance: Lateral tolerance of -0.1/+0.1mm and thickness tolerance of -0.05/+0.05mm.

Low Surface Roughness: Polished top and bottom surfaces with roughness Ra < 30nm.

Versatile Applications: Suitable for cutting tools, optical windows, seeds, and electronic uses.

Low MOQ: Minimum Order Quantity is just 1 piece, ideal for testing and small batches.

Company profile

Chenguang Machinery & Electric Equipment Co., Ltd.

Hunan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2010-12-01Nearest Port: Changsha. Guangzhou, Shanghai, ShenzhenAverage Response Time: ≤15hTerms of Payment: T/T, PayPal, Western Union, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryChenguang Machinery & Electric Equipment Co., Ltd. is a China-based limited trading company located in Changsha, Hunan, with its factory reported in Furong District. Its stated business covers development, production, and marketing of ultra-hard materials, including synthetic diamond, diamond drill bits, diamond cutting discs, and PDC cutters. The supplier reports ISO 9001 and GMP certifications, more than 10 production lines, 6–10 R&D engineers, and 6–10 quality-control staff. It has self-operated import/export rights and has exported since 2010, with exports representing 31%–40% of total sales. Recent trade records show transactions involving synthetic diamonds and inserts with a buyer in Mexico, but the limited number of disclosed transactions does not establish a broad customer base. Evidence is insufficient to assess after-sales service, customization, and financial credibility.

Supplier typeThe supplier is identified as a trading company in Changsha and as both a trading company and manufacturer/factory in the company profile. Its stated business includes development, production, and marketing of ultra-hard materials, indicating a hybrid trading-and-manufacturing profile.

CertificationsThe supplier reports holding ISO 9001 and GMP management-system certifications. These certifications provide explicit evidence of formal quality and manufacturing management systems, although the slices do not provide certificate numbers, validity dates, or scope.

R&D capabilityThe company describes itself as specialized in the development of ultra-hard materials and reports 6–10 R&D engineers. Its product keywords include synthetic diamond and PDC cutters, supporting an identifiable R&D orientation, but no patents, new-product records, or technical performance data are provided.

Production capacityThe supplier states that it develops and produces ultra-hard materials, operates more than 10 production lines, and has annual output information listing 10,000,000 units for lab diamond and other products. The reported manufacturing infrastructure and output data explicitly support production capability, although the exact product allocation and capacity verification are not provided.

Client casesTrade records show three recent product categories—Inserts, Synthetic Diamond, and Synthetic Diamonds—with transactions involving Mexico and the same named buyer; the disclosed transaction counts are 2, 3, and 2 respectively. These records evidence some recent commercial activity, but the limited buyer and country coverage does not establish a broad or diversified customer portfolio.

Product Q&A

Q:What is the difference between CVD and HPHT diamond?

CVD diamond is grown using chemical vapor deposition at low pressure (under 27 kPa), allowing for large area growth and fine control over impurities, whereas HPHT uses high pressure and temperature.

Q:What are the available sizes and shapes?

Sizes include 1x1x1mm up to 10x4x1mm. Shapes can be Square, Rectangle, Round, or customized as per request.

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

The MOQ is 1 piece, making it suitable for samples and small orders.

Q:What is the delivery time?

Delivery usually takes 3-7 working days after the confirmation of the deposit.

Q:What are the surface roughness specifications?

The top and bottom surfaces are polished with a roughness (Ra) of less than 30nm.