2007: Dongguan Haicheng Yonghe air conditioning purification technology Co., Ltd. was established. In the same year, the company undertook the listed company Weicheng industry and 840rt Dajin central air conditioning system.

In 2008: the company has successively provided high-quality services for Japanese enterprises, Japanese power products, Cooper electronics under American Eaton group, Hong Kong Hongtu group and other excellent foreign-funded enterprises, as well as domestic well-known enterprises Guangdong Bubugao Electronic Industry Co., Ltd.

In the case of Shenzhen GAODA Electronics Co., Ltd., we have lost two high-quality customers in 2009.

2010: the company cooperated with Guangdong Huahui decoration to complete the construction of Qingyuan people's Hospital, daytime operating room, intravenous drug dispensing center and reproductive center, and the company entered a new field.

2011: the company undertook high-quality electronic companies such as Shenzhen Derun electronics, a listed company, and Shenzhen Sagem communication, a French company, laying a certain foundation for the company to accumulate valuable experience in the design and construction of dust-free purification workshop in the electronic industry.

2012: the company transformed 8000m2 dust-free workshop for Japanese power plant, and delivered it for use according to the construction period specified by Party A under the condition of not stopping production and extremely difficult construction. It was highly praised by general manager Wenxiong Jiangsen.

2013: the company provided services for Japan hibisci, Gree Electric, JAC, Hubei Zhongneng, etc. So that the company has a deep understanding of the design and construction of purification workshop in clean coating industry and lithium battery packaging industry. And out of Guangdong, construction to Hubei, Hefei and other places. And won the bid for Guangdong oppo and SMT clean workshop reconstruction project in the same year.

2014: after strict assessment, the company entered the procurement system of Changan Farida electronics, a wholly-owned subsidiary of UTC, and Flextronics group, one of the world's top 500 enterprises. In the same year, it undertook the installation of 1200rt mcville variable frequency centrifugal unit central air conditioning system in oppo plant 2, with a construction area of about 20000 square meters.

In 2015: the company undertook the HVAC power distribution project of M8 plant of vivo Communication Technology Co., Ltd., with a construction area of about 35000 square meters, including about 4300 square meters of 1F 10000 purification area, about 20000 square meters of 2F, 3F and 4f constant temperature and humidity area and about 2000 square meters of ordinary air conditioning area, which will be delivered to Party A for use within 60 days. In the same year, the central air conditioning system of 2000rt and mcville variable frequency centrifugal unit of oppo No. 3 plant was installed.

2016: the company undertook the HVAC power distribution project in M10 plant area of vivo Communication Technology Co., Ltd., with a construction area of about 20000 square meters. At the same time, the company has conducted many discussions, research and certification on Party A's requirements for CL cable power distribution and electrostatic industry, and improved the construction methods and processes. Under the condition of ensuring the technical quality, the construction cost of CL stay wire is saved by more than 60%, which is more beautiful and can better ensure the construction safety. In the same year, it undertook the central air conditioning system of 1500rt carrier frequency conversion centrifugal unit of oppo plant 5, the upgrading and transformation of 3000 square meters of SMP workshop of oppo general plant, the central air conditioning project of about 10000 square meters of oppo Blu ray DVD plant, the HVAC and distribution project of 8000 square meters of constant temperature and humidity warehouse of oppo KEGU and the HVAC and distribution design (free) project of oppo India plant.

2017: with the strong support and help of vivo oppo, the company initially entered the Indian market. In the same year, the company undertook the HVAC and power distribution project of M16 plant area of vivo Communication Technology Co., Ltd., with a construction area of about 60000 square meters, which was completed on schedule in 80 days, including the installation of 3200rt Trane frequency conversion centrifugal unit, central constant temperature and humidity air conditioning, primary and secondary frequency conversion water pumps and central control system. Complete 8000 meters of CL cable trunking, install about 60000 sockets (750 per day, including wiring) and 100000 electrostatic terminals (1250 per day). Under the condition of zero accident, zero wrangling and zero rework, it has successfully passed the acceptance of Party A. In the same year, oppo-12000m2 10000 level dust-free central kitchen distribution center was completed. Oppo's new f18000 square meter SMT purification workshop. As the backup supplier of oppo-f1 project, China Construction Third Engineering Bureau was assigned to finish the whole project. Oppo of the project will be submitted to Dongguan City for engineering evaluation. During the construction process, Party A, the supervision unit, the general contractor and the data budget consulting unit will supervise the whole process, and there are strict requirements for construction technology, construction management and engineering data. It is also an opportunity for Haicheng company to improve its experience, which our company attaches great importance to and cherishes. It is certain that 2017 will be a key year for Haicheng to complete the accumulation of engineering experience, technology and capital in the domestic market and open up the Indian market. Thanks again for vivo oppo's support and care for the company.

2018: the company undertook the Beijing office decoration project of vivo Communication Technology Co., Ltd. and the reconstruction project of Shenzhen Yantian free trade zone. Comprehensive installation project of f4-smt workshop in oppo new industrial park and reconstruction project of the fourth floor of phase I of oppo old industrial park. In the same year, the company undertook the project of Huizhou Weibo composite mobile phone outer box coating workshop of Anjie Co., Ltd. and the project of Guangzhou Lijing mobile phone lens module workshop of Lixun Co., Ltd. The Indian market company undertook the comprehensive installation project of oppo-f3-smt workshop and assembly workshop, and the HVAC low-voltage power distribution and water supply and drainage project in plant 204 of Xinwangda electronics division. In the same year, the company's turnover exceeded 100 million yuan.

2019: the company won the bid for the secondary distribution project of vivo Chang'an new industrial park and became the mobile team of C \ D Block Project of vivo Chang'an new industrial park, providing boundary and emergency construction for vivo new industrial park for many years. Won the bid for the central air conditioning project of oppo Xinming No. 7 plant, the construction project of clean working shed in the plant area, and the HVAC power distribution project of seven workshops in oppo Chongqing new industrial park. In the Indian market, we undertake vivo SMT transformation project, oppo-f1 workshop air conditioning project, HVAC, power distribution, decoration and water supply and drainage projects in Xinwangda plastic plant and 204 electronic plant. HVAC, power distribution, decoration, water supply and drainage projects of Changying Co., Ltd. and Sanying electronics India's new plant. In the same year, it became a qualified supplier of Huaxing optoelectronics and Fushikang.

2019: the company's turnover reached 250 million.

2020: integrity, harmony, gratitude and dedication --- Haicheng company looks forward to walking hand in hand with you for mutual benefit and win-win results!