Product Description
Leaf chains(hoisting chains)
1. Standards: ISO /DIN /ANSI
2. Model: LH series, LL series, AL series
3. Materials: Carbon steel 40Mn
4. All parts are heat treatment(quenching and tempering) and controlled in a reasonable tolerance range.
5. Tensile strength: 15-20% higher than the standard
6. Certificate of Quality: ISO 9001, SGS
7. Centreless grinding.
8. Good lubrication with excellent grease.
9. Color: Self, dark blue, black
Products are made of high quality alloy steel production. The plates are punched and squeezed bores by precision technology. The pin, bush, roller are machined by high-efficiency automatic equipment and automatic grinding equipment, then through heat treatment of carburization, carbon and nitrogen protection mesh belt furnace, surface blasting process etc. Assembled precision by Internal hole position, spin riveted by pressure to ensure the performance of the entire chain.
Specifications
| Technique Treatment |
| 1 |
Shot Peening |
8 |
Quenching |
| 2 |
Bluing |
9 |
Tempering |
| 3 |
Phosphate |
10 |
Oiling |
| 4 |
Nickel-plated |
11 |
Greasing |
| 5 |
Zincing |
12 |
Special color |
| 6 |
Heat Treatment |
13 |
Stain proofing |
| 7 |
Carburizing |
14 |
Pre-stretched and anti-fatigue |
Why choose us
Hangzhou Qianjiang Chain Industries Co., Ltd. was founded in 1987, specializing in the production of A.B series precision roller chain, motorcycle special chain and high-end oil seal chain, all kinds of logistics transportation machinery chain, dustproof and waterproof industrial oil seal chain and agricultural machinery chain, lifting machine chain, silent tooth transmission chain, stepless transmission chain, intelligent door and window bending chain, stainless steel chain, non-standard special chain and sprocket. Since 1991, in cooperation with Jilin University of Technology chain Transmission Research Institute of China chain Research Institute, the PIV stepless transmission chain and CL series silent tooth chain have been optimized and upgraded, the high-end motorcycle oil seal chain and heavy duty series precision roller chain have been developed, and the cooperation of production, learning and research has been established.
Qianjiang is constantly innovating and optimizing in the direction of "profession, refinement, specialty and new". In 2019, it was appraised as "Zhejiang Science and Technology Enterprise" in 2021, "High-tech Enterprise" in 2021 and honest Enterprise in 2021-2022. By the end of 2022, 32 patents for utility models, inventions and copyrights had been obtained, and were appraised as professional, special and new enterprises in Zhejiang Province in 2023.
Qianjiang has "QJ", "HQL", "YF" three registered brands, 12 series, 68 varieties, 806 different specifications. The product production conforms to ISO, ANSI, BS, DIN, IS international standards and GB/T national and industry standards.
Qianjiang has established a set of complete quality management system and production "ERP" system application and equipped with advanced digital inspection and testing equipment. The introduction of automatic visual inspection equipment to all parts to achieve 100% detection.Qianjiang has passed the certification of IS0 9001 "quality management system", IS0 14001 "environmental management system" and IS0 54001 "occupational health and safety management system", SGS inspection and BV inspection certification. "strive for perfection and scientific management" is Qian Jiang's quality policy. After years of unremitting efforts and continuous innovation, it has won the trust and recognition of users and dealers all over the world. "excellent quality comes from management innovation, service satisfaction comes from brand management concept". "Qianjiang chain" will be your reliable business partner and your safe choice.
Packaging & Shipping
Our Service
1. Any of your kind inquiry conveyor chain would be replied within 24 hours.
2. Well-trained and experienced sales staffs will reply all your concerns in fluent English.
3. OEM services are available with us, our professional designer would make your private idea into being.
4. Protection of your sales area, ideas of design and all your private information.
5. Delivery by air mail or ship for your orders.
Why choose us
1. We are the manufacture.
2. We have near 30 years experience of making chains and chain links.
3. Our design team has extensive experience in the chain design.
4. Best service and prompt delivery.
5. We offer various styles, size and colors to meet your requirement.
6. We covering a production area of 18750 square meters have more than 100 employees and we have a complete set of testing equipment to ensure our quality.
FAQ
1. Are you manufacturer or trade Company?
We are a factory founded in 1988 with trade team for international service.
2. What terms of payment you usually use?
T/T 30% deposit and 70% against document, Western Union, L/C at sight
3. what is your lead time for your goods?
Normally 45 days after confirmed order. 30 days could be available in low season for some items (during May to July), and 65 days during new year and hot season ( Jan to March).
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