




Standard of China | Standard of international | Mesh | Polishing effect | Standard of China | Standard of international | Mesh | Polishing effect |
W0.1 | 0-0.1 | 100000 | Super mirror polishing | W12 | 8-12 | 1600 | Normal polishing |
W0.25 | 0-0.25 | 60000 | W14 | 7-14 | 1500 | ||
W0.5 | 0-0.5 | 30000 | Mirror polishing | W14 | 8-16 | 1300 | |
W1 | 0-1 | 15000 | W20- | 10-20 | 1200 | ||
W1.5- | 0-2 | 13000 | W20 | 12-22 | 1000 | ||
W1.5 | 1-2 | 12000 | Fine polishing | W20+ | 15-25 | 800 | |
W2.5 | 1-3 | 10000 | W28 | 20-30 | 700 | ||
W3 | 2-3 | 7000 | W28+ | 22-36 | 600 | ||
W3.5 | 2-4 | 6500 | W40- | 20-40 | 500 | Rough grinding | |
W3.5 | 2-4 | 6000 | W40 | 30-40 | 450 | ||
W4 | 2-5 | 5000 | W40+ | 35-45 | 400 | ||
W5 | 3-6 | 4000 | W50 | 36-54 | 350 | ||
W6 | 4-6 | 3500 | 325/400 | D46 | 320 | ||
W7 | 4-8 | 3000 | Normal polishing | 270/325 | D54 | 270 | |
W10 | 4-9 | 2500 | 230/270 | D64 | 230 | ||
W10 | 5-10 | 2000 | 200/230 | D76 | 200 | ||
W10 | 6-12 | 1800 |
Grit | Mest | Grit | Mest |
80/100 | 80# | 230/270 | 230# |
100/120 | 100# | 270/325 | 270# |
120/140 | 120# | 325/400 | 325# |
140/170 | 140# | 400/500 | 400# |
170/200 | 170# | 500/600 | 500# |
200/230 | 200# |
Grit | MBD0 | MBD1 | MBD2 | MBD3 | MBD4 | MBD5 | MBD 6/8 | MBD10/12 | SBD25-30 |
30/35 | √ | √ | √ | √ | √ | √ | √ | √ | √ |
35/40 | √ | √ | √ | √ | √ | √ | √ | √ | √ |
40/45 | √ | √ | √ | √ | √ | √ | √ | √ | √ |
45/50 | √ | √ | √ | √ | √ | √ | √ | √ | √ |
50/60 | √ | √ | √ | √ | |||||
60/70 | √ | √ | √ | √ | √ | ||||
70/80 | √ | √ | √ | √ | √ | ||||
80/100 | √ | √ | √ | √ | √ | √ | |||
100/120 | √ | √ | √ | √ | √ | √ | |||
120/140 | √ | √ | √ | √ | √ | √ | |||
140/170 | √ | √ | √ | √ | √ | √ | |||
170/200 | √ | √ | √ | √ | √ | √ | |||
200/230 | √ | √ | √ | √ | √ | √ | |||
230/270 | √ | √ | √ | √ | √ | √ | |||
270/325 | √ | √ | √ | √ | √ | √ | |||
325/400 | √ | √ | √ | √ | √ | √ | |||
400/500 | √ | √ | √ | √ | √ | √ |



- Established in the year 1990, Zhecheng County Xinrui Diamond Tools Company Limited. Previously known as Zhecheng County Jingxin Super Abrasive Products Company Limited., our firm is strategically located in Zhe Cheng County, nestled within Henan Province, the renowned hub for man-made diamonds in China, sprawling over an expansive 26,000 square meters.
- From its inception, our company has been dedicated to the innovation, production, and sales of superior diamond powder and cutting-edge abrasive tools.
- The cornerstone of our offerings includes artificial diamond micro powder, diamond superfine powder, diamond shaping material, diamond crushing material, electroplated diamond, diamond soft grinding piece, diamond grinding paste, diamond tool tip, diamond saw blade,diamond disk diamond polycrystalline composite piece PCD ,The elastic grinding block,abrasive disc cutter,diamond grinding wheel, lab-grown diamonds,Opening tool and many more.
- Our versatile products find applications across various domains such as stone, machinery, electronics, aviation, geology, and are the preferred choice for grinding and polishing gems, optical instruments, glass, and ceramics.
- We offer bespoke custom processing services tailored to your unique specifications.
- Equipped with state-of-the-art equipment and instruments, we ensure precise quality checks.
- Our team of professional R&D personnel partners with you to drive innovation forward.
- Exceptional production staff meticulously manage every detail.
- We boast a sincere service attitude, paired with a vibrant enterprise atmosphere.
- We uphold the values of "sincerity, pursuitof excellence" as our guiding principles, committed to helping you overcome challenges.
- Xinrui Diamond eagerly anticipates the opportunity to collaborate with you.




1. Q: How do we guarantee quality?
A: Always have a pre-production sample before mass production; Always carry out final inspection before shipment;
2. Q: How can I place an order with us?
A: First of all, contact us, make an inquiry and get a quote within 24 hours. Next, we will send the product to you by the appropriate logistics method after receiving your payment. Finally, you will receive the product in about 2 to 4 working weeks.
3. Q: How can I visit your company and inspect the products?
A: Take a plane to Zhengzhou Xinzheng International Airport. We will pick you up at the airport and help you book your hotel. All free services.
4.Q: What can you buy from us?
A: Diamond powder, Diamond Polishing Pad, Diamond Grinding Wheel, Diamond Core Bit, lapping paste, synthetic diamond
5.Q: Why should you buy from us not from other suppliers?
A: Our core team had been in the business line of diamond tools for more than 20years, and 20 years rich experience in manufacturing and supplying all kinds of Diamond Tools. We are keep improving our technology and capacity. We are focus and professional.
6. Q: How do I pay?
A: The payment methods include telegraphic transfer, Western Union, Bank of China, etc. The specific payment method is determined according to the result of communication between the two parties. If you come to China, you can pay in cash. You can also transfer
7.Q: How do you ship the goods and how long will it take to arrive?
A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 7-30 days to arrive. Air and sea freight may be optional.