About us

Sichuan Sunny Seal Co., Ltd.

Sichuan Sunny Seal Co., Ltd. is one of China’s first research institutes on sealing technology, and the leader in fluid sealing industry, and now the only listed mechanical seal company in China.
Our products are widely used in fields of petroleum, chemical, coal chemical industry, natural gas, oil and gas, electricity, nuclear power, military industry, metallurgy, etc. Products are exported to Europe,USA, Middle Asia and Southeast Asia. “Sunny Seal” renowned inChinain the past 40 years.

Sichuan Sunny Seal Co., Ltd. is one of China’s first research institutes on sealing technology, and the leader in fluid sealing industry, and now the only listed mechanical seal company in China.

Our products are widely used in fields of petroleum, chemical, coal chemical industry, natural gas, oil and gas, electricity, nuclear power, military industry, metallurgy, etc. Products are exported to Europe,USA, Middle Asia and Southeast Asia. “Sunny Seal” renowned inChinain the past 40 years.

Full products ranges, with wide range of parameters and wide application range. High vacuum pressure range of sealing products of ~20MPa, maximum rotating speed of 36000rpm, temperature range of -196~410℃, shaft of φ10~400mm. Products are mainly applied in oil refining, ethylene, fertilizers, MTO, coal to oil, coal gasification, coal to olefins, chemical, natural gas pipelines and other fields. The company can provide safe and reliable sealing products for all kinds of rotating equipments, including pump, hydraulic turbine, screw compressor, centrifugal compressor, expander, blower, agitator, etc.

The company can supply mechanical seal, spring mechanical seal, metal bellows seal, high duty mechanical seal, dual mechanical seal and agitator mechanical seal in accordance with API682 standard. Thereinto, high duty mechanical seals such as high pressure seal, high speed seal and high-low temperature seal have unique advantages. The company also can provide special sealing solutions for extreme conditions.

The company can supply all kinds of auxiliary systems such as reservoir, heat exchanger, separator, bulk tank, booster, hand pump and oil station in accordance with API682 standard.

The company also can produce rotary-jet pumps and high viscosity gear pumps.

The company has built an advanced production base aimed at manufacturing excellent product, and it owns modern clean and constant temperature processing center, metal bellows mechanical seal manufacturing production line and sintered SiC production base, etc.

The company owns the seal test rigs featured with biggest scale, highest parameters, most perfect approaches, highest degree of automatization in data acquisition and analysis inChina, which can be used to carry out the tests of seals for compressor, agitator, pump, hydro power, military industry, nuclear power, and so on.

The company has acquired the ISO9001 quality management system certificate, API Spec Q1 certificate, special equipment design license (pressure vessel), special equipment manufacturing license (pressure vessel), environment management system ISO14001 certificate and occupation health safety management system GB/T28001 certificate. The company controls the product quality on basis of prevention, continuous improvement, total involvement, full process and networking.

The company provides clients with seal application plan and total solution based on long period and high reliability, and all kinds of technical training. The company has established a number of offices and service centers all over theChina, in order to assure enterprise’s safe production with professional and fast service.

The philosophy of our company is to dominate the market based on technology and to retain the clients based on service. The company focuses on the clients’ concerns all the time, and carries your trust with sincerity and actual ability.






QUALITY MANAGEMENT SYSTEM

QUALITY MANAGEMENT SYSTEM: our company has built prevention, continuous improvement, total involveme...

FABRICATION

we have built an advanced production base with the area 33,000 square meters aimed at manufacturing ...