Serial number

Name

 Inspection unit

Number

 Appearance size

Mechanical properties

 Anti rust property

1

 Elastic strip II type fastener system assembly

Product Quality Supervision and Inspection Center of the Ministry of Railways

Railway Construction Inspection Station

(2013)T J Zi No.W046

√

√

√

2

 Elastic strip II type fastener bullet strip

Product Quality Supervision and Inspection Center of the Ministry of Railways

Railway Construction Inspection Station

(2013)T J Zi No.W047

√

√

√

10

 WJ-12 fastener T type bolt

Product Quality Supervision and Inspection Center of the Ministry of Railways

Railway Construction Inspection Station

(2013)T J Zi No.W530

√

√

√

14

 The zinc nickel seeping layer and sandblasting gauge baffle

National Railway Product Quality Supervision

Inspection Center

(2016) GTJ word no. W3235

√

16

 Sulfur dioxide test for II type bomb

 Product quality supervision of surface coating of mechanical industry

Inspection Center

 (2015) review No. 615th

√