Colored O-Ring Chain and X-Ring Chain (420, 428, 520 etc.)X-ring
chains and O-ring chains : 420"8"8HPPHUUHXXH��H Qiangjiang O-ring
chain is mainly suitable for the adverse environment, such as
water,mud,or dust.So It 's more demanding for its performance.And
the service life is about 3-5 times than standard chains1. The "O"
ring or "X" ring will greatly reduce the wearing.2. Model: 420V,
428V, 428VM, 520V, 525V, 530V, 530VM, 630V, 630VM, 428V-X, 428VM-X,
520V-X, 525V-X, 530V-X, 530VM-X, 630V-X, 630VM-X, 420Hz, 428Hz,
520NZ, 525Hz, 530Hz, 630HT3. Color: Self, gold, nickel, blue, red,
orange, green, yellow, pink etc.4. Certificate of Quality: ISO
9001, SGS5. The grease is made in USA.6. O-ring and X-ring are made
in Tianwan.7. The chains have high tensile strength.8. Quad-rited
pins(pitch≥ 15.875mm)9. The sealing performance of X-ring is better
than O-ring.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.SpecificationsTechnique
Treatment1Shot
Peening8Tempering2Bluing9Oiling3Nickel-plated10Greasing4Zincing11Special
color5Heat Treatment12Stain proofing6Carburizing13Pre-stretched and
anti-fatigue7Quenching Our Service1. 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 us1. 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. /* March 10,
2023 17:59:20 */!function(){function s(e,r){var
a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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