What is the after-sales service policy?

We accept replacement if the size is not correct or if there are defects.

How are the products delivered?

Synthetic diamonds are usually delivered by Express or air transport.

20X20 mm Size High Quality No Defect No Polishing CVD Seeds

Name: 20X20 mm Size High Quality No Defect No Polishing CVD Seeds
Brand: Chenguang Machinery & Electric Equipment Co., Ltd.
SKU: 2046996665

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

US$1,500.00

1-99 Pieces

US$1,450.00

100+ Pieces

Product specifications

Size

Sample price:US$1500.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Accpet Replace If Size Not Correct or Have Defect

Material

Diamond

Model NO.

CVD

Color

Colorless or Light Brown

Transport Package

Plastic Bag, Then in a Carton Box

Specification

20x20mm

Trademark

Chenguang

Origin

China

Production Capacity

100PCS/Month

Key features

Customizable Thickness: Thickness can be customized for large size diamond plates used as CVD seeds.

Multiple Shape Options: Available in Round, Square, Rectangle, and Hexagon shapes to suit various needs.

High Quality CVD Seeds: 20x20mm synthetic diamond plates with no defects and no polishing required.

Versatile Applications: Suitable for jewelry, cutting tools, wheel dressing, specialty knives, and wire drawing dies.

Lab-Grown Diamond Properties: HPHT grown diamonds share identical physical and chemical properties with natural diamonds.

Replacement Guarantee: We accept replacement if the size is incorrect or if defects are found.

Fast Delivery: Delivery time is usually 5-7 days after confirmation of deposit.

Sample Testing Available: Small samples are provided for testing before placing bulk orders.

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.