2003
The "DS – SO₂ Flue Gas Treatment Method" developed by Ningbo Dongfang Copper Co., Ltd. was recognized as a 2003 National Key Practical Technology for Environmental Protection (Category B).
2004
Ningbo Taiji Environmental Protection Equipment Co., Ltd. was established with a registered capital of RMB 29.8 million, and was recognized as a Ningbo Patent Pilot Enterprise.
2007
The company's "DS Multiphase Reactor" was recognized as a 2007 Zhejiang provincial first-of-its-kind (set) product in key fields of the equipment manufacturing industry.
2008
The company passed the national high-tech enterprise certification.
The DS Multiphase Reactor won the third prize of the Science and Technology Award for Environmental Protection.
2009
The company established the Ningbo Enterprise Engineering (Technology) Center.
2010
The world's first steel-slag sintering machine (230 m³) desulfurization system was put into operation.
Ningbo Taiji Environmental Protection Equipment Co., Ltd. was honored as a "2010 Zheshang Most Investment-Worthy Enterprise."
2011
The company was recognized as a Ningbo Technology Innovation Demonstration Enterprise. Its "Industrial Flue-Gas Treatment Multiphase Reactor" received the National Torch Program Project Certificate.
2013
The core technology "Saline-alkali Soil Amendment Technology Research and Demonstration" was promoted and received a national Spark Program certificate.
The "Steel-Slag Desulfurization and By-product Comprehensive Utilization Technology" won the China Iron and Steel Association's "Top 10 Steel Energy-Saving and Environmental Protection Technologies."
2014
The company's core technology "Steel-Slag Desulfurization and By-product Comprehensive Utilization Technology" won the first prize of the Science and Technology Award of the China Circular Economy Association.
2016
As a principal drafting unit, the company participated in drafting the national standard "Technical Requirements for Steel Slag Application" GB/T 32546-2016.
2017
The project "Steel-Slag Desulfurization and By-product Comprehensive Utilization" won the gold award at the inaugural China Energy Conservation and Environmental Protection Innovation Application Competition.
The flue-gas treatment multiphase reactor was included in the "Catalogue of Major Environmental Protection Technologies and Equipment Encouraged by the State (2017 Edition)."
2018
As the lead drafting unit, the company hosted the development of the industry standard "Technical Specification for Steel Slag Used in Sintering Flue-Gas Desulfurization."
The company's flue-gas treatment multiphase reactor was selected into the second batch of Ningbo's Manufacturing Single-Champion Cultivation Enterprise list.
2019
The company led the drafting of the "Zhejiang Made" group standard "Flue-Gas Desulfurization Multiphase Reactor."
The steel-slag desulfurization and by-product comprehensive utilization technology was selected into the first batch of advanced applicable technologies for the "Zero-Waste City" construction pilot.
The company's flagship flue-gas treatment multiphase reactor was included in the MIIT 2019 edition of the guidance catalogue for promoting major technical equipment (first-of-its-kind sets).
2021
The company was awarded the national "Little Giant" title for specialization, refinement, differentiation, and innovation.
2022
The company was listed as a Ningbo Manufacturing Single-Champion Key Cultivation Enterprise.
2023
The company was selected into the first batch of national key pilot units for implementing the international standard for innovation management intellectual property in Zhejiang Province.
2024
The company joined USTB and Shougang Co. in tackling the national key R&D program steel-slag utilization project, which passed acceptance.
Together with 6 universities including USTB and Zhejiang University, it implemented the "Sci-Tech 2025" major special steel-slag utilization project, which was completed and accepted.
The company was rated as a Ningbo municipal-level Green Factory.
2025
The company's core technology was included in the "Catalogue of Advanced and Applicable Process Technologies and Equipment for National Industrial Resource Comprehensive Utilization (2025 Edition)."
The company was selected into the MIIT 2025 list of compliant enterprises in the environmental protection equipment manufacturing industry.
