
Company Profile
Zhejiang INJ Transmission Systems Co., Ltd., located in Ningbo, Zhejiang province, was founded in 2003. We are a professional supplier of domestic and imported transmission belts with expertise in various industries such as stone, ceramic, wood, textiles, ***, logistics, firecrackers, medicine, glass, steel, automotive, electronics, beverages, spices, paper, printing, and cable. Contact us anytime for inquiries and negotiations.
Raw Materials
- Belt: High-quality neoprene (CR) imported from Japan
- Skeleton materials: Glass Fiber imported from Japan
- Tooth surface: Nylon 66 high
Product Features
Zhejiang INJ Transmission Systems Co., Ltd.
- High-efficiency factor and extreme tensile strength
- Extraordinarily resistant to cold & heat (-40ºC-120ºC), oil, and ozone
- Excellent aging-resistance and abrasion-resistance
- Slip-free transmission and low noise
Product Description
TYPE | SUPPLY CHARACTERISTIC |
MXL XXL XL L H XH XXHT 2.5 T5 T10 T20 AT5 AT10 AT 20 HTD:2M 3M 5M 8M 14M 20M STS:S2M S3M S4.5M S5M S8M S14M RPP:RP2M RP3M RP5M RP8M RP14M | 1. Company leading products with more than 4000 moulds. 2. Cutting or provide sleeve according to customer's requirement. 3. Anti-static, oil, heat-resistant,low temperature resistance ect. |
INJ- Industrial Rubber Power Transmission Timing Belt
High-quality standard timing belt suitable for various industries. Features flame-retardant, anti-static, oil-resistant, and wear-resistant properties. Ideal for textile, packaging, automotive, and agricultural machinery.
Test Item | Test Result |
Tension strength (≥KN/25.4mm) | 0.59-10.8 (according to types) |
Elongation (≤ % ) | 4.0 (all types) |
Loading (KN/25.4mm) | 0.49-8.64 (according to types) |
Curvilinear Tooth Profile
Gear code | Type | Pitch(mm) | Tooth height(mm) | Belt thickness(mm) |
HTD | 3M | 3 | 1.22 | 2.40 |
5M | 5 | 2.06 | 3.80 | |
8M | 8 | 3.36 | 6.00 | |
14M | 14 | 6.02 | 10.00 | |
20M | 20 | 8.40 | 13.20 | |
STPD/STS | S2M | 2 | 0.76 | 1.36 |
S3M | 3 | 1.14 | 1.90 | |
S4.5M | 4.5 | 1.71 | 2.81 | |
S5M | 5 | 1.91 | 3.40 | |
S8M | 8 | 3.05 | 5.30 | |
S14M | 14 | 5.30 | 10.20 | |
RPP/HPPD | P2M | 2 | 0.76 | 1.36 |
P3M | 3 | 1.15 | 1.90 | |
P5M | 5 | 1.95 | 3.50 | |
P8M | 8 | 3.20 | 5.50 | |
P14M | 14 | 6.00 | 10.0 |
T type Industrial Timing Belt
Type | Pitch(mm) | Tooth height(mm) | Belt thickness(mm) | Angle ° |
MXL | 2.032 | 0.51 | 1.14 | 40 |
XXL | 3.175 | 0.76 | 1.52 | 50 |
XL | 5.080 | 1.27 | 2.30 | 50 |
L | 9.525 | 1.91 | 3.60 | 40 |
H | 12.70 | 2.29 | 4.30 | 40 |
XH | 22.225 | 6.35 | 11.20 | 40 |
XXH | 31.750 | 9.53 | 15.70 | 40 |
T2.5 | 2.5 | 0.7 | 1.30 | 40 |
T5 | 5 | 1.2 | 2.20 | 40 |
T10 | 10 | 2.50 | 4.50 | 40 |
T20 | 20 | 5.00 | 8.00 | 40 |
AT5 | 5 | 1.20 | 2.70 | 50 |
AT10 | 10 | 2.50 | 5.00 | 50 |
AT20 | 20 | 5.00 | 8.00 | 50 |
Welcome to Zhejiang INJ Transmission Systems Co., Ltd.
Product: Buyer Notice
1. The price is subject to the company's actual quotation!
2. All products undergo strict inspection before shipment to ensure problem-free delivery.
3. Product images are taken in real-time, but slight color variations may occur due to lighting and display differences.
4. Please verify product model and specifications before placing an order to confirm availability.






Product Description
Welcome to Zhejiang INJ Transmission Systems Co., Ltd.! We are pleased to offer you our high-quality products for testing. Please contact us to request a sample for evaluation. We are happy to provide information on sample charges upon inquiry.
Our delivery dates are flexible based on your order quantity. Small orders typically ship within 5 days, while larger orders may take up to 20 days for delivery.
At Zhejiang INJ Transmission Systems Co., Ltd., we do not have a minimum order quantity requirement. The more you order, the more discounts you can enjoy. We strive to provide competitive pricing for all our customers.