China Machine Certification & Inspection (301508.SZ): The company currently does not engage in the inspection business related to BMS parameters and SOC of used vehicle batteries.

Gelonghui, May 12th: Zhongji Renjian (301508.SZ) stated on the investor interaction platform that the company does not currently engage in the business of testing BMS parameters and SOC-related inspections for batteries in used vehicles.

Gelonghui Finance16:23

China Machine Certification & Inspection (301508.SZ): Currently, no business operations have been conducted in the commercial aerospace-related field.

Gelonghui, May 8th: ZJ Renjian (301508.SZ) stated on an interactive platform that the company is not currently engaged in any business related to the commercial aerospace sector.

Gelonghui FinanceMay 8 21:26

China Machinery Certification and Inspection: First Quarter Report for 2026

SZSIApr 28 00:00 · Announcements

CMIC Certification (301508.SZ): Has Established a Dual-Carbon Technical Service System

Gelonghui, April 24th ┃ Zhongji Renjian (301508.SZ) stated on the investor interaction platform that the company has established a dual-carbon technical service system and can carry out six major categories of businesses, including green factories, green supply chains, zero-carbon factories, zero-carbon industrial parks, energy-saving diagnostics, and ESG evaluations.

Gelonghui FinanceApr 24 15:39

China Machine Certification & Inspection (301508.SZ): Capable of testing high thermal resistance aerogel insulation sheets used in new energy lithium-ion batteries.

Gelonghui, April 20th ┃ Zhongji Renjian (301508.SZ) stated on an interactive platform that the company is capable of testing high thermal resistance aerogel insulation sheets used in new energy lithium-ion batteries.

Gelonghui FinanceApr 20 17:23

China Machine Certification & Inspection (301508.SZ): No long-term strategic cooperation has been established in areas such as business, academia, or dissemination with mechanical journals.

Gelonghui, April 16th - Zhongji Renjian (301508.SZ) stated on the interactive platform that the company has not established long-term strategic cooperation in areas such as business, academia, or dissemination with mechanical journals.

Gelonghui FinanceApr 16 16:24