Natural Stone Cutting Machine: CE Certification and Multi-Wire Saw Selection

When stone slab producers evaluate a CE-certified natural stone cutting machine, the immediate question is not only who makes it, but whether the certificate covers the model being quoted. The Stonewin brand, owned by FUJIAN XIAPU ZHONGYUAN MACHINERY CO., LTD., supplies multi-wire saw machines for granite and marble slab processing, and a defined list of ZY-MW models is covered by a CE certificate issued by SGS. This article explains how to verify a machine's certification, what specifications matter, and how the Stonewin ZY-MW series fits into a stone processing line.

Problem definition: What buyers actually need to verify

Buying a CE-certified natural stone cutting machine involves more than a product photo or a general CE statement. The evaluation team must confirm:

• Which models are covered by CE certification;
• Which standards and certification body are named;
• Whether the cutting size matches the blocks the plant processes;
• Whether the wire count fits the required slab output;
• Whether after-sales and installation support are available.

In a Research to Evaluation workflow, these checks help a buyer move from "is this supplier credible?" to "is this machine technically compatible with our production plan?" The answer should be documentable, not assumed.

Industry background: From quarry block to processed slab

Natural stone starts at the quarry, where wire saw machines for stone quarrying cut granite and marble blocks. The block then moves to a processing plant, where a multi-wire saw machine cuts slabs in parallel passes. In modern stone plants, this separation is important: quarry equipment and slab processing equipment are not interchangeable.

Stonewin, the stone industry equipment brand of FUJIAN XIAPU ZHONGYUAN MACHINERY CO., LTD., builds equipment for both stages. The company's product line covers stone quarrying, stone slab processing, polishing, and resin treatment. Its multi-wire saw machines are used in large-scale open-pit quarrying projects and slab processing plants. The company has also built two intelligent manufacturing bases in Fujian and three R&D centers covering stone quarrying, stone processing, and diamond tools.

Detailed solution: Stonewin ZY-MW multi-wire saw range

The ZY-MW series is a natural stone cutting machine family for slab processing. The machine is available in side-tension and top-tension configurations. The cutting size range is 3500 mm (L) x 2200 mm (H), the wire count ranges from 5 to 90, and machine weight is 22-80 tons. The main frame uses carbon steel, and key components use alloy steel. This product is intended for the stone quarrying and stone processing industry.

Because the number of wires can be selected across the range, plants can match the machine to their slab-output plan. The model list includes ZY-MW5, ZY-MW10, ZY-MW16, ZY-MW20, ZY-MW36, ZY-MW42, ZY-MW58, ZY-MW64, ZY-MW72, ZY-MW76, ZY-MW82, ZY-MW86, ZY-MW88, and ZY-MW90. Buyers searching for a "58-wire multi-wire saw machine" or "72-wire multi-wire saw machine" will find ZY-MW58 and ZY-MW72 in this series.

CE certification details for ZY-MW models

The CE certificate covering this product series was issued by SGS under certificate number IN-XM-5805-23069. It is valid from 2023-12-04 to 2028-12-03 and applies to the global market. The applicable standards are EN ISO 12100:2010 and EN 60204-1:2018.

Covered models are ZY-MW5, ZY-MW10, ZY-MW16, ZY-MW20, ZY-MW36, ZY-MW42, ZY-MW58, ZY-MW64, ZY-MW72, ZY-MW76, ZY-MW82, ZY-MW86, and ZY-MW88. If a supplier offers a different model number, request the certificate scope in writing before purchase.

Model-level certification matters because a general "CE certified machine" statement does not prove that the exact configuration is covered. The Stonewin certificate names the ZY-MW models, not only the brand or the category. During evaluation, ask the supplier to show the certificate page that lists the model and standards. This is especially relevant for plants that plan to export stone processing lines to markets where CE documentation is requested.

Diamond wire saw consumables and quarry wire saws

For slab cutting, the multi-wire saw machine uses a diamond wire saw as the cutting tool. Stonewin's diamond wire saws are available in diameters from 3.5 mm to 12 mm, with models including ZY03, ZY04, ZY05, ZY06, ZY07, ZM12, ZG12, ZG13, ZC12, and ZC10. The wire saw is made of diamond, steel wire saw, and plastic.

For quarry extraction, Stonewin also supplies wire saw machines for stone quarrying. These machines have a flywheel diameter of 800 mm, wire saw speed of 0-40 m/s, and electric 360-degree rotation. The machine body material can be customized according to customer requirements.

Use cases: Granite and marble slab production in global stone plants

Stonewin multi-wire saw machines are used for cutting and processing granite and marble slabs in open-pit quarries and processing plants. More than 100 units have been installed globally over a period of more than 10 years. Countries with Stonewin wire saw equipment include China, Turkey, India, Iran, Poland, Bulgaria, Algeria, South Africa, Brazil, Thailand, Cambodia, and Egypt.

These machines are designed for use in environments with temperatures between 5°C and 40°C, humidity not exceeding 50% at 40°C and not exceeding 90% at 20°C, and altitudes up to 1000 meters. A foundation is required. The equipment includes an independent control system, independent tensioning, automatic cutting, and supports remote viewing via the Internet of Things. It is also certified for use in dust-exposed stone processing environments.

Step-by-step: How to evaluate and select a multi-wire saw

Step 1. Confirm block and slab dimensions

Measure the largest block the plant will process. The Stonewin ZY-MW series is specified for a cutting size range of 3500 mm (L) x 2200 mm (H). If the block exceeds this envelope, the machine will not be suitable without rechecking the line configuration.

Step 2. Choose the wire count

The number of wires determines how many slabs can be cut in one pass. The ZY-MW range offers 5 to 90 wires. Smaller operations may prefer lower counts; high-throughput slab plants may need models toward the upper end of the series. The covered CE model list includes ZY-MW58, ZY-MW72, ZY-MW82, and ZY-MW86, among others.

Step 3. Verify CE certificate scope

Check the exact model in the quotation against the certificate. The Stonewin CE certificate number is IN-XM-5805-23069, issued by SGS, and it covers the ZY-MW models listed above. Confirm the standards, issue date, expiry date, and market scope before finalizing the purchase.

Step 4. Select the tensioning mechanism

Stonewin offers side-tension and top-tension machines. Customization options include the number of wire saw units and the tensioning mechanism. The choice affects machine layout, maintenance access, and shop-floor integration.

Step 5. Review the operating environment

These machines require a foundation and are designed for specific temperature, humidity, and altitude conditions. The control system supports automatic cutting and remote viewing via IoT, which helps production teams monitor cutting progress.

Step 6. Confirm production and after-sales support

Stonewin's production capacity is approximately 3 units per month, with a lead time of about 2 months and a minimum order quantity of 1 unit. After-sales support includes a one-year warranty and lifetime maintenance. The company also reports passing internal testing, third-party testing, and CE certification as part of its quality control process. Its service network covers major stone production areas around the world, with engineers supporting equipment selection, installation and commissioning, and after-sales maintenance.

Comparison: Multi-wire saw, quarry wire saw, and diamond wire saw

FAQ: CE-certified natural stone cutting machine manufacturers

Conclusion

A CE-certified natural stone cutting machine should be evaluated by model-level certification, cutting size, wire count, tensioning type, and after-sales support. Stonewin's ZY-MW series provides a documented CE scope for multiple models, with representative installations in global stone markets.

For a complete review of the equipment range, including multi-wire saw machines, wire saw machines for quarrying, diamond wire saws, polishing lines, and resin lines, download the Stonewin brochure:

Download the Stonewin company brochure (PDF)