Guanyi Transmission Machinery Co., Ltd is a professional needle
roller bearing company. Our company has many years of experience in
bearing support and industrial services, and has a good reputation
among new and old customers. We are specialized in the production
of the fourth largest category of needle roller bearings.
Hot Products
Drawn Cup Needle Roller Bearing (HK, BK, SCE,HF HFL RC RCB)
Needle Roller and Cage Component (K, KK, KS, KBK, KZK)
Thrust-cylindrical Needle Roller Bearing (811, 812, AXK, NTA, AXW)
Machined-Ring Needle Roller Bearing (NK, NKI, NKSNKIS, NA, RNA,
PNA, MR)
Stud Type Track Rollers Bearing (KR=CF, CRV, NUKR)
Yoke Type Track Roller Bearing (NART, NUTR, CRY, STO, RSTO, NATV )
Combined Needle Roller Bearing (NKIA, NKIB, RAX, ZARN, NKX)
Inner Ring (IR, LR)
We specialize in the production of needle roller bearing repair
kits, one-way clutches, cylindrical rollers, thrust planes and
other bearings, which are widely used in Peugeot
106,204,205,206,207,304,306,307,309,404,405,504,505,604 and Citroen
and Renault cars, trucks, tractors, agricultural machinery, textile
machinery, printing machines, motorcycles, power tools and aviation
accessories.
The products are sold well in Europe, North America, the Middle
East, Southeast Asia and Taiwan. Our factory Base: honesty,
technological innovation, the pursuit of excellence, and quality
first. Our factory has the testing means and manufacturing
equipment to meet and guarantee the quality of needle roller
bearings.
Welcome friends to visit our factory for inspection and
negotiation.

Forging
OTOTRI uses several major forging equipments, including HBP 160
High Speed Hot Former from Japan, AMP30 High Speed Former from
Switzerland and 630T Automatic Forging Production Line with
Induction Heating from Germany.
Turning
KDM 14 Ring Turning Production Line from Japan is included in the
major turning equipments and production line used by OTOTRI. Ring
Turning Production Line is designed for Small-size Ball Bearings.
Heat Treatment
Muffle Furnace for Rolling Elements Heat Treatment with Protective
Gas from Japan and Roller Hearth Heat Treatment Production Lines
with Nitrogen Protective Gas from Austria are both included in
major Heat Treatment equipments used by OTOTRI
Grinding
The major Grinding Machine and Equipment used in OTOTRI production
line contain Automatic Ring Grinding Production Line for Taper
Roller Bearings from Germany; Grinding Machines for Extra-large
Bearings and Ring Grinding Production Lines for Ball Bearings from
Italy.

