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● Technical Specification for Welding of Stainless Steel Structures

According to the requirements of the Notice on Issuing the First Batch of 2016 Engineering Construction Association Standard Formulation and Revision Plan (Jian Biao Xie Zi [2016] No. 038) issued by the China Engineering Construction Standardization Association。

Suzhou Rainbow Environmental Equipment Co., Ltd

● Specification for quality evaluation of anti-corrosion engineering for desulfurization chimneys

This standard is drafted in accordance with the rules given in GB/T 11-2009.

Suzhou Rainbow Environmental Equipment Co., Ltd

● Technical requirements for anti-corrosion materials used in desulfurization chimneys

This standard is drafted in accordance with the rules given in GB/T 11-2009.

Suzhou Rainbow Environmental Equipment Co., Ltd

● Technical standards for chimney engineering

Jointly issued by the Ministry of Housing and Urban Rural Development of the People's Republic of China and the State Administration for Market Regulation

Suzhou Rainbow Environmental Equipment Co., Ltd

● Factory-Made Double Stainless Steel Flues and Chimneys

Rainbow participated in the edition of Technical Specification for Factory-Made Double Stainless Steel Flues and Chimneys CECS415：2015 on Dec. 1, 2015.

Suzhou Rainbow Environmental Equipment Co., Ltd

● Standard for Appraisal of Reliability of Chimneys

On Dec.2, 2014, Rainbow participated in the edition of Standard for appraisal of reliability of ChimneysGB51056-2014.

Suzhou Rainbow Environmental Equipment Co., Ltd

● Code for Design of Chimneys

On Dec. 25, 2012, Rainbow participated in the edition of Code for Design of Chimneys GB 50051-2013.

Suzhou Rainbow Environmental Equipment Co., Ltd

● Manual for Design of Industrial Chimneys

On Jul. 3, 2017, Rainbow participated in the edition of Industry Chimney Design Manual published by Metallurgical industry press.

Suzhou Rainbow Environmental Equipment Co., Ltd

● Technical standard for industrial chimney engineering

Industry standard setter - chimney national standard setter.

Suzhou Rainbow Environmental Equipment Co., Ltd