In 2018, our company's product BA level pipe accessories were successfully adopted by chengdu tongwei solar battery project phase iii.

In 2018, our company's ap-grade pipe fittings successfully entered the fifth generation tft-lcd project of sichuan xinli.

In 2018, our company's product BA level pipe fittings successfully entered Shanghai and glow electricity co., LTD.

In 2018, our company's product BA+AP grade pipe fittings were successfully adopted by the 6th generation active matrix organic light emitting display (AMOLED) panel production line project of yungu (gu 'an) technology co., LTD.

In 2017, the unnamed biological project of Peking University successfully adopted our company's product BA level pipe fittings and valves.

In 2017, our company's ap-grade pipe fittings were used for the China power panda PCW process cooling water project of China electronic system engineering third construction co., LTD.

In 2017, our company's product sanitary pipe accessories were successfully adopted by Lanzhou Foci Pharmaceutical Co., Ltd.

In 2016, our company's product BA+AP grade pipe fittings were successfully adopted by sichuan generalized microelectronics co., LTD.

In 2016, our company's product BA grade pipe fittings were successfully adopted by Peking University medical industry group co., LTD.

In 2015, our product BA+AP grade pipe fittings were successfully adopted by wuhan tianma microelectronics co., LTD.

In 2015, our products' sanitary pipe fittings were successfully adopted by ya 'an sanjiu pharmaceutical co., LTD.

In 2014, our company's product BA level pipe fittings and valves were used in the north night vision project of China second electronic system engineering construction co., LTD.

In 2014, our company participated in the 8th China guangzhou international environmental protection industry, energy conservation and new energy exhibition.

In 2014, our company's product BA level pipe fittings was successfully adopted by shaanxi branch of China electronic system engineering second construction co., LTD.

In 2013, our company's product BA level pipe fittings and valves were successfully adopted by China electronic system engineering second construction co., LTD.

In 2013, our company's product BA level pipe fittings was successfully adopted by the 16th branch of China electronic system engineering second construction co., LTD.

In 2012, our company successfully manufactured a batch of BA grade steel tubes for the aviation 618 research institute.

In 2012, our products, BA - grade pipes and valves, were successfully adopted by chongqing audio-optronics company.

In 2012, Beijing wuhe and boao successfully adopted our company's product BA grade pipe and valve.

In 2011, guangdong hanergy photovoltaic co., ltd. adopted a batch of AP grade steel tubes, instrument tubes and coil tubes of our products.

In 2011, our company produced a batch of BA - grade pipelines and valves for sichuan maisel gas products co., LTD.

In 2010, rainbow (zhangjiagang) flat panel display co., LTD. Cooperated with our company to adopt clean pipes and fittings produced by our company.

In 2010, our products, BA grade clean pipes and valves, were successfully adopted by Beijing jingdongfang photoelectric technology co., LTD.

In 2010, our company's product BA level pipe fittings and flanges successfully entered the second phase expansion of chongqing audio-optronic co., LTD.

In 2010, our company produced a batch of pipeline accessories for the laser fusion research center of China institute of engineering physics.

In 2009, jimei electronics (suzhou) co., ltd. adopted ap-grade pipe fittings produced by our company.

In 2009, our company produced a batch of BA grade clean pipe fittings for suzhou samsung electronics co., LTD.

In 2009, the pipe fittings produced by our company were successfully adopted by sichuan hongou display device co., LTD.

In 2009, our products, BA and ep-level clean pipe fittings and valves, were successfully entered into hebei xinao photovoltaic new energy co., LTD.

In 2009, our company provided a batch of AP - level pipe fittings and flanges for NEC technology co., LTD.

In 2009, the 18th research institute of China electronics technology group adopted BA grade clean pipe fittings of our company's products.

In 2009, our company produced a batch of EP clean pipes for the semiconductor research institute of the Chinese academy of sciences in Beijing.

Tested by Shanghai jiaotong university test center in 2008: the quality of our product cleaning pipe and pipe fittings is comparable to the world's advanced level. Fortunately, I participated in the compilation and formulation of the first clean pipeline quality standard in China.

In 2008, our company provided a batch of AP grade steel tubes, instrument tubes and coils for the carbon black production line of Cabot high performance materials (tianjin) co., LTD.

In 2008, our company's ap-grade pipe fittings and flanges were successfully expanded into the phase iii plant of manulife semiconductor.

In 2008, our company successfully entered the solar thin-film battery project jointly built by hebei langfang xinao group and American applied materials.

In 2008, our company will attend the third China international pipe exhibition in Shanghai new international expo center.

In 2007, our company provided a batch of quick joints and customized quick joints for mitsui chemical (zhongshan) co., LTD.

In 2007, our company provided a batch of specially stainless steel forging flanges for celanese (nanjing) chemical co., LTD. Of nanjing chemical industrial park.

In 2007, our company's graphic trademark SEP was officially approved by the national trademark office.

In 2007, our products, BA and ep-level clean pipe fittings and valves, successfully entered the first jincheng (zhengzhou) technology co., ltd. in henan province to manufacture wafer chips, semiconductors and new electronic components.

In 2006, our company provided a batch of stainless steel ep-class clean pipe fittings and clamp fittings for Beijing institute of microelectronics technology.

In 2006, our company provided a batch of stainless steel AP tubes and pipe fittings for shenzhen founder microelectronics co., LTD.

In 2005, our company became a national chemical piping design center recommended to use units.

In 2005, our company became China chemical supplies and equipment corporation fixed point factory.

In 2005, our newly developed product, 250A internal polishing daily standard automatic welding steel pipe and pipe fitting, was successfully used in shandong zhengda linghua project.

In 2005, our superior product 317L pipe fittings successfully entered the ningbo industrial park of Taiwan Formosa plastics corporation.

In 2005, our company successfully participated in 2005 China international LPG, LNG, CNG, pipe network transformation and gas technology equipment exhibition.

In 2004, our superior product Y filter and hydrophobic device successfully entered the 600 thousand ton ethylene plant of basf, nanjing Yangtze.

In 2004, our superior product, stainless steel oil-forbidden large caliber ball valve, successfully entered the fifth generation tft-lcd production line of Beijing jingdongfang.

In 2004, our company obtained the agency of German OTE company in Shanghai.

In 2003, our company obtained the safety registration certificate of pressure pipe component manufacturer.

In 2003, our company applied for the national industrial product production license for approval.

In 2002, our company became a member of sinopec material equipment company spare parts resource market.