简体中文
EnglishWebsite review
This review may include AI-generated content and is not individually verified. Domain, certificate and other facts come from the observed data on this page.
What is Jiangsu Dongye Roll Co., Ltd.?
Jiangsu Dongye Roll Co., Ltd. (江苏东冶轧辊有限公司) is a Chinese manufacturer of rolling mill rolls based in Dong'an, Huangli Town, Wujin District, Changzhou, Jiangsu. The company describes itself as a joint-stock cooperative enterprise and a member unit of the metallurgical industry's spare parts center. It began producing alloy cast iron and cast steel rolls in 1998 and now reports annual roll output of more than 15,000 tons, with production capacity exceeding 38,000 tons.
What it makes
Its product range centers on rolls and related components for steel and wire rod mills:
- Alloy cast steel rolls
- Graphite steel rolls
- High-speed steel rolls
- GNV rolls
- Bar and wire rod rolls
- Grooved roughing rolls
- Roll rings (cast iron and alloy cast steel)
Scale and capabilities
The company states it employs over 150 people, including more than 30 engineers and technicians, on a site of about 67,000 square meters with 58,000 square meters of built area. It lists over 160 sets of manufacturing and processing equipment and describes its tooling and inspection processes as complete. It holds ISO 9001, ISO 14001 and ISO 45001 certifications, and lists several high-tech product recognition certificates for rolls used in bar, flat steel and wire rod mills.
Who it serves
Its stated customer list spans Asia (India, Sri Lanka, Indonesia, Taiwan, Bangladesh, Pakistan, Syria, South Korea), Europe (Germany, Turkey), North America (United States, Canada), South America (Brazil), Oceania (Australia) and Africa (Egypt).
A practical next step
If you are sourcing rolls, match the product type to your mill stand and duty: high-speed steel rolls for high-wear finishing stands, alloy cast steel or graphite steel rolls for roughing and intermediate stands, and roll rings for ring-type applications. Ask for the grade designation, hardness range, dimensional tolerances and inspection records for the specific roll you need, and request references from mills running comparable bar or wire rod lines. Contact details listed on the site are 0519-83731805, [email protected] and [email protected].
What types of rolling mill rolls does the company manufacture?
Jiangsu Dongye Roll Co., Ltd. manufactures several categories of rolling mill rolls, covering both cast iron and cast steel families, and supplies them to bar, wire rod, and strip mills.
Roll types listed on the site
- Alloy cast steel rolls (合金铸钢轧辊) — the core product line, positioned for heavy-duty and large-diameter applications.
- Graphite steel rolls (石墨钢轧辊) — a cast steel variant typically chosen where a combination of wear resistance and thermal crack resistance is needed.
- High-speed steel rolls (高速钢轧辊) — used in finishing stands of long-product mills, where wear resistance and roll-surface stability matter most.
- GNV rolls (GNV轧辊) — a named proprietary or application-specific grade.
- Cast iron rolls and roll rings (铸铁轧辊 / 辊环) — including roll rings for mill stands that use separate ring-and-arbor assemblies.
- Bar and wire rod rolls (棒线材轧辊) — rolls configured for rod and bar rolling lines.
- Grooved roughing rolls (开槽大粗轧轧辊) — large roughing rolls with cut passes for the early stands of a mill train.
- Flat steel rolls (扁钢轧辊) — recognized as a high-tech product for flat-bar rolling.
Matching a roll to your mill
The choice depends mainly on the stand position and the failure mode you are fighting. Roughing stands in a bar mill usually suit large grooved cast steel or alloy cast steel rolls, because they must absorb heavy loads and repeated thermal cycling. Finishing stands in wire rod mills are where high-speed steel and graphite steel rolls earn their cost, since surface wear and pass degradation drive change-out frequency. Roll rings make sense where you want to replace the working surface without scrapping the whole arbor.
A practical next step is to ask the supplier for the roll grade, hardness range, and recommended application per stand for your specific mill layout, then compare that against your current roll consumption per ton of product.
What quality certifications and industry recognitions does Dongye Roll hold?
Dongye Roll (Jiangsu Dongye Roll Co., Ltd.) lists three ISO management-system certificates and several Chinese high-tech product recognitions on its site.
Certifications shown
- ISO 9001 — quality management system
- ISO 14001 — environmental management system
- ISO 45001 — occupational health and safety management system
- Jiangsu Equity Exchange listing — the company presents itself as a listed enterprise on the Jiangsu Equity Exchange Center
- High-tech product certificates for rolls used in: four-high wire rod mills, medium bar mills, metal rolling mills, and flat steel mills
What these mean in practice
The ISO trio covers quality, environment, and worker safety — the three audits most often requested by mill operators and export buyers. The high-tech product certificates are domestic recognition of specific roll types rather than international approvals, so they carry more weight with Chinese steelmakers and less with overseas procurement teams.
For a buyer comparing suppliers: ISO 9001 is the baseline requirement for most rolling mill contracts; ISO 14001 and ISO 45001 matter if your own compliance or ESG screening covers your supply chain. The product-level certificates are useful evidence that the company has developed rolls for wire rod, bar, and flat steel lines — relevant if you are sourcing those specific roll types.
A practical next step is to request the certificate numbers, issuing bodies, and validity dates, then verify them independently. Also ask which certificates apply to the exact roll grade you intend to order, since product recognitions are usually issued per product line rather than company-wide. The company's export customer list — spanning India, Germany, the United States, Brazil, Australia, and others — suggests its documentation has passed scrutiny from a range of international buyers, which is a reasonable signal but not a substitute for checking the paperwork yourself.
Which countries and regions does Dongye Roll export its rolls to?
Dongye Roll (Jiangsu Dongye Roll Co., Ltd.) lists customers across six world regions, with Asia as its most represented market.
Export markets listed on the site
| Region | Countries and regions named |
|---|---|
| Asia | India, Sri Lanka, Indonesia, Taiwan, Bangladesh, Pakistan, Syria, South Korea |
| Europe | Germany, Turkey |
| North America | United States, Canada |
| South America | Brazil |
| Oceania | Australia |
| Africa | Egypt |
How to read this list
This is a customer-footprint list, not a shipment breakdown. It tells you which markets the company presents as served, but not volumes, order sizes or how recently each market was active. The concentration in Asia — eight named markets, several of them steel-producing countries — suggests the regional bar and wire rod mill sector is the core of the business, with Europe and North America representing smaller but higher-specification accounts.
If you are evaluating Dongye as a supplier, use the list as a starting point for due diligence rather than as proof of capability in your market. Ask for references in your region and roll type, since a supplier's experience with, say, high-speed steel rolls for a German mill is more relevant than a general country list.
Practical next step
Match your requirement to the product lines shown alongside the market list — alloy cast steel rolls, graphite steel rolls, high-speed steel rolls, GNV rolls, bar and wire rod rolls, roughing rolls and roll rings — then request a reference from a customer in your region working on comparable equipment. The company's contact details are published at Jiangsu Dongye Roll.
How can I contact Dongye Roll for pricing or a quotation?
Contact Dongye Roll directly by phone or email; the company does not publish prices or an online quote form on its site.
Contact channels listed on the site
- Phone: 0519-83731805 (also shown as the service hotline)
- Fax: 0519-83733298
- Email: [email protected] and [email protected]
- Address: 兴旺路126号, 湟里镇东安, 武进区, 常州市, 江苏省, China — Jiangsu Dongye Roll Co., Ltd. (江苏东冶轧辊有限公司)
For a quotation, email [email protected] rather than the general master address, since a sales inbox is the more likely route for commercial enquiries. If you are outside China, email first and propose a call time rather than dialing cold: the listed number is a domestic landline, and there is no indication of an international line or English-language sales desk.
What to include in your enquiry
Roll pricing depends heavily on type, size and quantity, so a vague request usually produces a slow reply. State:
- Product family: alloy cast steel rolls, graphite steel rolls, high-speed steel rolls, GNV rolls, cast iron rolls, roll rings, or bar and wire rod rolls
- Application: the mill or stand the roll is for, and whether it is a roughing, intermediate or finishing position
- Dimensions and quantity: barrel diameter and length, neck details, and the number of pieces for the first order
- Specifications: material grade, hardness range, drawing numbers if available
- Commercial terms: destination port or country, and whether you need inspection certificates
The site lists ISO 9001, ISO 14001 and ISO 45001 certificates plus high-tech product recognitions for several roll types, so asking for the relevant certificate copies alongside the quote is reasonable.
A practical first step
Send one email to [email protected] with a short table of the rolls you need (type, dimensions, quantity, destination), then follow up by phone a few days later if you have not heard back. Their published export experience spans India, Indonesia, South Korea, Germany, Turkey, the United States, Brazil, Australia and Egypt, so overseas orders are clearly routine — but the absence of published pricing means every quote is handled case by case.
What is Dongye Roll's annual production capacity and manufacturing capability?
Dongye Roll (Jiangsu Dongye Roll Co., Ltd.) states an annual roll output of more than 15,000 tonnes, with total production capacity of over 38,000 tonnes. That gap between actual output and capacity matters: it suggests room to take on additional or larger orders without new capacity, though it says nothing about current lead times or how much of the capacity is committed.
Manufacturing capability at a glance
- Product range: alloy cast steel rolls, graphite steel rolls, high-speed steel rolls, GNV rolls, and cast iron roll rings, plus bar and wire rod rolls, grooved roughing rolls, and roll rings.
- Experience: roll production since 1998, covering alloy cast iron and cast steel rolls.
- People: over 150 employees, including more than 30 engineers and technical staff.
- Facilities: roughly 67,000 m² site with 58,000 m² of buildings and more than 160 sets of manufacturing and processing equipment.
- Quality systems: ISO 9001, ISO 14001 and ISO 45001 certification, with in-house inspection and testing described as complete.
- Customers: served buyers in India, Sri Lanka, Indonesia, Bangladesh, Pakistan, South Korea, Germany, Turkey, the United States, Canada, Brazil, Australia and Egypt, among others.
How to read these numbers
Capacity figures are most useful as a screening tool, not a guarantee. A mill evaluating a roll supplier should treat "38,000 tonnes capacity" as a signal that the plant is not capacity-constrained, then verify the parts that actually affect a trial order: which roll grades are poured in-house versus outsourced, what the largest single-piece weight and diameter are, typical delivery windows, and whether inspection records and material certificates accompany each roll.
A practical next step is to send Dongye Roll a specification for one roll type you already buy — grade, dimensions, hardness range and expected tonnage per campaign — and ask for a quotation alongside a sample of their inspection documentation. Comparing that response against your current supplier's performance on roll life and breakage rates will tell you more than any capacity headline. Contact details are listed on 江苏东冶轧辊有限公司 (phone 0519-83731805, [email protected]).
User reviews (0)