Ningbo Polinata Electronics Co., Ltd. is a company that focus on offering the latest technology to give a perfect sound solution system to ensure the continuous growth of market share together with the customer. For the past 20 years, Polinata has designed and engineered sound reinforcement solutions for all OEM and ODM customers from 100 countries. We have employed 23 professional electric, acoustic and structural engineers with a passion for sound quality to offer customers differentiate products and the latest technology. With a speaker box ranged from 10 watts to 900 watts amplifier design, polinata have a full line of a wooden and plastic speaker box in active and passive, which include different sizes --- 8", 10", 12" and 15". As top manufacture in china, we have a full line of 95% of spare parts in our own factory to make sure all of the quality and production processes are under control. We are committed to customer satisfaction and brand building, focusing on the latest technology in the market, providing customers with the right products on the market, and jointly developing with customers. WHY POLINATA? Full range of speaker box product lines to help you target your product easier. Strong R&D team to offer you the best technical solution and reliable quality. Various related machines and facilities to realize any of your OEM & ODM requests on speaker box. Great QC control system to offer you a stable quality with less after-sale service headache. Wide experience in chain stores and traditional business to make us fully understand you. Enough capacity to help you with the shortest lead time. Expert service from inquiry to after-sales to make sure you always have different choices on any process. Full Attendance of exhibitions and customer visitings service, which means we always have time to do a face to face meeting. WHERE IS OUR MARKET? South America: 45% North America: 25% European: 15% Southeast Asia: 12% Africa: 3% WHY CAN POLINATA ALWAYS KEEP STABLE QUALITY?---a great QC system. Incoming Quality Control Sampling test under AQL 4.0, If the first lot go failed, then we go AQL 2.5, then 1.0. Critical part 100% check. Supplier pre-selection with sealed sample confirmed after being tested. Daily and monthly report In-Process quality control: Operation Guidance PCB after SMT checked 100% PCB after plugged-in functional test 100% Amplifier functional test 100% Daily and monthly report Process Quality Control Finished amplifier burning test 100%, with a sampling test of 2% of the daily produced amplifier. Woofer functional test 100%. Tweeter functional test 100% Finished amplifier painting check 100% Cabinet sampling test with 100% texture check. Daily and monthly report Final Quality Control: 100% functional test 100% appearance check before packed Out-going Quality control: Sampling test: 1 piece per pallet 2% of daily finished goods sampling test: Burning test, Functional test, whole appearance check.