

Ningbo ChengEn Machinery Co., Ltd. is a manufacturer that integrates design, research and development, and production improvement of components in the urban rail transit industry. The company is committed to providing the highest quality products and most efficient services for rail transit equipment, new energy buses, and various types of infrastructure.
The company mainly produces stainless steel subway suspension rings, bus handles, TPU suspension belt handles, interior connectors, tees, tees, top seats, bases, glass clips and other accessories. It can also design, produce, and process various non-standard parts according to customer requirements. The above products are widely used in subway projects in major cities both domestically and internationally, as well as famous bus companies. The company has completed the production of multiple subway line products, including Ningbo Metro Line 2 Phase II, Ningbo Metro Line 4, Ningbo Metro Line 5,Ningbo Metro Line 6,Ningbo Metro Line 7,Ningbo Metro Line 8,Guangzhou Metro, Dalian Metro, Hangzhou Metro Line 1 Phase III, WenShan line,India Metro and other domestic and foreign subway lines, as well as the supply of new energy bus interior connectors from well-known domestic bus companies such as CRRC, BYD, Yutong, JinLong and Wanxiang.
Product name | Bus /Subway Handle |
Material | Plastic handle(PC)+SS304 strap |
Tensile strength | 4000N |
Unit weight | 580g |
Handle Color | red/blue/yellow/orange/Grey/purple/pink or Customized |
Surface | Satin or Mirror |
Screws | 2 pcs M5*20mm |
Tube diameter | 32mm 35mm |






Oxygen index,Smoke density testing,Toxicity testing all Meet industry requirements.

provide technical guidance for installation and maintenance.









Q1. Are you a factory or trade company?
Q2. How to quote?
A: Received the sample or drawing in CAD/STP/IGS form then we will make the quotation in 12hours.
Q3.Do you provide samples ?
A: Yes, 1~100pcs are available, trial order before mass production are welcomed.
Q4.How about the packing?
A: Standard or customized will both be available.
Q5.What is your terms of payment ?
A:Trade Assurance , TT/Paypal / Western Union Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipment.