What certifications and standards does the product meet?

The product meets ISO, Australia, CEMA, JIS, and DIN standards. Seals exceed GB and JIS standards after rigorous testing.

What is the warranty and after-sales support?

We provide professional designing and inspection teams. Samples are available for testing, and we offer comprehensive support for rush orders and large quantities.

High-Quality Steel Rollers for Coal Mine Conveyor Systems

Name: High-Quality Steel Rollers for Coal Mine Conveyor Systems
Brand: Shandong Sealand Equipment Group Rizhao Co., Ltd.
SKU: 680326912

Shandong, ChinaShandong Sealand Equipment Group Rizhao Co., Ltd.

US$9.90

1 Piece

Sample price:US$9.90/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Surface Treatment

Painting

Model NO.

SPD-CR-0021

Motor Type

Frequency Control Motor

Installation

Turning

Place of Origin

Shandong, China (Mainland)

Brand Name

SPD

Roller Diameter

76-219mm

Roller Length

190mm to 3500mm

Roller Tube

Q235 Carbon Steel

Shaft

Cold Drawing Round Steel

Bearing

Single and Double Row Deep Groove Ball Bearing 2rz

Bearing Brand

S Kf, F AG, NSK, Lyc etc.

Finish

Painting/Rubber/Steel Screew/Galvanized

Welding

Mixed Gas Shielded Arc Welding End

Transport Package

Standard Export Plywood Cases

Specification

SPD-CRR-0021

Trademark

SPD

Origin

Rizhao City, Shandong Province, China

HS Code

841390000

Production Capacity

600piece/Day

Key features

Customizable Dimensions: Roller diameter 76-219mm and length 190-3500mm, tailored to specific requirements.

Durable Seal Structure: Non-contact labyrinth seals, dustproof and waterproof, exceeding GB and JIS standards.

High-Quality Materials: Q235 Carbon Steel pipe with cold-drawn round steel shafts for superior stiffness.

Extended Lifespan: Designed for 30,000-50,000 hours of lift time with factory greased full for life.

Flexible Customization: Colors (black, red, blue, yellow) and finishes (painting, rubber, galvanized) available.

Professional Support: Team of 35 engineers and technicians with 20 years of experience and OEM/ODM services.

Fast Delivery: Production capacity of 800 pieces/day with delivery in 5-30 days for bulk orders.

Company profile

Product CertificationManagement CertificationQuality Assurance

Shandong Sealand Equipment Group Rizhao Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Designs, Full Customization CertifiedExport Year: 8 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤0.67h

AI-Powered supplier vetting

SummaryShandong Sealand Equipment Group Rizhao Co., Ltd. is a China-based limited company established in 2018, with 609 employees and a 67,000 m² manufacturing plant. It operates more than 10 production lines and reports annual production of 190,720 conveyor roller and frame sets, with stated peak- and off-peak-season lead times of one month. Its capabilities cover conveyor systems, port-handling equipment, steel structures, installation, maintenance, and industrial system integration. The supplier reports over 70 professional designers, five R&D engineers, and 21–30 quality-control staff. It exports to multiple regions and began exporting in 2007. Evidence supports strong production scale, after-sales and project-service capabilities, innovation resources, and documented customer projects. The company also states that it holds production qualification for transport machinery and Grade-I Professional Contracting Qualification of steel structure. Financial credibility cannot be assessed because the provided...

Supplier typeThe supplier is identified as a combined business entity and a limited company in China. Its stated activities combine industrial product research and manufacturing, steel-structure and equipment production, and general contracting for industrial system integration.

CertificationsThe supplier states that it is a member of the Standardization Administration of China/Technical Committee (SAC/TC331) and holds production qualification for transport machinery together with Grade-I Professional Contracting Qualification of steel structure. These are explicit qualification and industry-participation claims, although no separate certificate numbers or validity dates are provided.

After-Sales capabilityThe company explicitly provides installation, operation, maintenance, and targeted solutions for port equipment and continuous conveyor systems, including general contracting services. This indicates established post-delivery and lifecycle-service capability supported by 21–30 quality-control staff, although geographic service coverage is not specified.

R&D capabilityThe supplier states that it is committed to design and innovation and has over 70 professional designers responsible for port-handling systems, steel structures, and modular-house development. It also reports five R&D engineers and identifies technological innovation as a development policy, providing explicit evidence of innovation resources and activity.

Production capacityThe supplier reports more than 10 production lines, a 67,000 m² manufacturing plant, 609 employees, annual output of 190,720 conveyor roller and frame sets, and annual steel-structure production of 100,000 tons. It also states that both off-peak and peak-season order fulfillment takes one month, supporting a substantial and relatively consistent production capability.

Customization capabilityThe company describes design and development services, professional port-handling-system design, targeted customer solutions, and general contracting across industrial, civil, public, and park construction. These statements support project-based customization and integrated delivery, but no specific examples of customized products or customer-defined technical specifications are provided.

Client casesThe supplier states that it has undertaken the Ore Wharf belt Conveyor System in Rizhao Port and the HUANENG Power Plant Belt Conveyor Engineering. These named project references demonstrate experience in port and power-plant conveyor engineering, although project dates, scope details, and customer verification information are not included.

Product Q&A

Q:What are the available roller dimensions?

Roller diameter ranges from 76mm to 219mm, and length ranges from 190mm to 3500mm. Custom sizes are available upon request.

Q:Is the product customizable?

Yes, we offer OEM and ODM services. Customization includes roller dimensions, colors (black, red, blue, yellow), and finishes (painting, rubber, galvanized).

Q:What is the expected lifespan of the conveyor roller?

The conveyor roller is designed for a lift time of 30,000 to 50,000 hours, ensuring long-term durability and reliability.

Q:What is the production capacity and delivery time?

Production capacity is typically 800 pieces per day. Delivery time for bulk orders is 5-30 days, depending on quantity.

Q:What materials are used for the roller pipe and shaft?

The roller pipe is made of Q235 Carbon Steel with high-precision ERW seam. The shaft is made of cold-drawn bright round steel for superior corrosion resistance.