a) Control the quality from the beginning 【100% authentic raw materials】
b) High precision, low tolerance and high-gloss.
3. Full sets of TK series including:
1* Bearing housing ——SPHC 【100% good quality material】 1* Inner seal ring ——PA6 【High temperature resistance】 1* Female labyrinth seal——POM 【Low water absorbing, high abrasion resistance】 1* Male labyrinth seal——POM 【Low water absorbing, high abrasion resistance】 1* Metal cover seal——SPCC 【High precision】 1* Protective cover——PA6 【High temperature resistance】
Bearing housing/end cap only or seals only can be ordered!
4. Standard size and data of TK series:
(Accept customized tolerance!)
5. Produce process overview
In order to ensure the quality, our stamping products will follow below steps:
Packing and shipping
Strict packing process
Trinity logistic team follows below steps strictly in order to ensure transportation safety.
We use wooden box and waterproof paper to protect our products from the risk in long-distance transport.
20 boxes for one 20ft container.
(1050*1050*1050 mm/ 1100*1100*1100 mm/Customize)
Seals can be packed in carton first before put into wooden box.
20 boxes for one 20ft container. (1050*1050*1050 mm/ 1100*1100*1100 mm/Customize)
Ready for shipment
All products finished packing are ready for shipment in warehouse.
Professional logistic company will ship our products to assigned place.
Focus on mining industry for over 30 years.
The largest and strongest manufacturer for bearing housing and seals in China.
- The wholly-owned subsidiary of Tongling Zonfa Trinity Technology Co., Ltd. (the first listed company of mold in China)
- The council unit of China Association of Belt Conveyor.
- Owner of national new practical patent and a number of bearing products national invention patents.
- The designated supplier of many multinational companies.
Automatic production line
Four advanced technology stamping production line including the first robot arm production line of bearing housing in China.
Advanced punch equipment
Own over 80 punch equipments which tonnage from 63T to 400T. Tolerance of bearing housing accurate to 0.01mm.
Independent mould production technical and modern mould warehouse.
Plastic injection production line
Daily support 4000-6000 sets of plastic injection products to global customers.
Europe customers are visiting our factory. We have received friends from over 20 counties.
American customer is signing the contract. Closer cooperation between counties makes the world better.
Technical exchange between trinity and India customers. Trinity offers professional technical service to customers.
With mission "World in heart, Trinity in world", Trinity attend several global mining exhibition every year.
Learning, training, plant trees, tug-of-war and traveling...We are proud of the big warmly family!
Obedience to military industrial enterprise tradition!
- Established from three government owned military factories
- ISO9001 certificate
- Rigorous quality system and reliable test report available
- Professional inspection equipment(tolerance is accurate to 0.001 mm)
- High quality raw material only
What products you can offer? Only bearing housing?
Our main products is standard&customized bearing housing and seals. We can also provide related roller spare parts including bearings, rubber rings, shaft, pipe, circlip, tools and moulds etc.
What is the MOQ of your products?
No MOQ for standard models.
Do you have warehouse or stocks in other countries?
No at this moment.
Can you send me some free samples?
Yes, we can provide some free samples.
I have my own design, could you accept customize?
Yes, we can provide standard or non-standard products.
We also have technical team which can provide technical service.