LONGSHENG AQUATIC PRODUCTS CO.,LTD strictly selects the raw materials of buy frozen mackerel-frozen mackerel fish. We constantly check and screen all incoming raw materials by implementing an Incoming Quality Control - IQC. We take varies measurements to check against collected data. Once failed, we will send the defective or substandard raw materials back to suppliers.. With the rapid globalization, delivering a competitive LongSheng brand is essential. We are going global through maintaining brand consistency and enhancing our image. For example, we have established a positive brand reputation management system including search engine optimization, website marketing, and social media marketing.. We pride ourselves with outstanding services that make our relationship with customers as easy as possible. We are constantly putting our services, equipment, and people to the test in order to better serve customers at LONGSHENG Frozen Fish Exporters. The test is based on our internal system which proves to be high efficiency in the improvement of service level..