TRISUN PPT
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lR?SUn?if Corporation Histroy 03 FFKM and Spring Energized Seal --------------------------- 30

• 1998 Establish Wenzhou Trisun Seal Manufacture Co., Ltd. • 1999 Pass IS09001:2000 Certificate • 2002 Establish Shanghai Trisun Parts Manufacture Co., Ltd. • 2003 Set up Guangzhou Sales Branch • 2004 Pass TS14001:2004 Environment System Certificate • 2005 Establish Shanghai Songjiang Plant and equip with the global famous Company • 2006 Develop and manufacture the metal bellows and cartridge seals • 2008 Pass TS16949:2009 Certificate Develop the high technology product — dry gas seals Manufacture high-quality PPS impeller, and relocate Sales Headquarters to Lujiazui Financial Center The...

Human Resources Shanghai sales Branch Financial Department Sales Department Shanghai Headquarters Company Board Wenzhou sales Branch Guangzhou sales Branch North American sales Branch Shanghai Purchase dept. Shanghai Plant Wenzhou Purchase dept. Purchase Department Production Base Wenzhou Plant R&D Center Warehouse & Logistic Center Wenzhou Logistic center Inspection Center Shanghai Logistic center North America Logisitic Center

Shanghai Sales Headquarters North America Sales branch Wenzhou Sales branch Guangzhou Sales branch

Shanghai Trisun Production Base: 10000㎡ and 36 employees Wenzhou Trisun Production Base: 30000㎡ and 160 employe

Metal Bellows & Cartridge Seal Cooling Pump Seal & Impellers Thermosiphon Vessel pump sleeve A/C Compressor Seal & Valve Single-Spring Mechanical seal Testing Equipment

Single-Spring Mechanical seals(35%) Metal Bellow seal 、Cartridge Seal & vessel tank、Dry Gas Seal（20%） Auto Cooling Pump Seal （17%） A/C Compressor Seal & Valve（8%） Impeller and Nozzel(5%) Test machine,Lapping machine and other parts

Turnover Turnover $18,000,000 Turnover $11,000,000 $19,000,000 Turnover Turnover $15,000,000 $10,000,000 We estamited that Trisun sales revenue will down 30% in 2020 , however we confidence will recovery in 2022 .

Company Scale Total 236 employees 20 R&D personnel 15 Quality Checkers 4 Process Engineers 15 Salesmen 5 Purchasers 162 Workers 5 Financial Staff 10 administration Staff Our Capacity Mechanical seals：10,000,000 pcs/Year Impellers：2,000,000 Pcs/Year Control Valves：300,000 Pcs/Year Metal Bellows：24,000 pcs/Year Cartridge Seals：6,000 pcs/Year Thermosiphon Vessels

This is to certify that the Quality Management System of Wenzhou Trisun Seal Manufacture Co., Ltd. No. 29. West Kanghong Road. Sanxi Industrial Zone. Ouhai District, Wenzhou City, Zhejiang Province, 325016, China has been assessed and registered by NQA. Warwick House, Houghton Hail Park, Houghton Regis, Dunstable LU5 5ZX, Bedfordshire, England This registration is subject to the company maintaining a quality management system, to the above standard, which will be monitored by NQA UNIVERSAL CERTIFICATION CENTRE CO I ID. ENVIRONMENTAL MANAGEMENT SYSTEM CERTIFICATE This is to certify that the...

201909-202008 This is certified that: At The Address Stated Below Has Completed U.S. FOOD And DRUG ADMINISTRATION Food Facility Registration And Test Through MANTONG. WENZHOU TRISUN SEAL MANUFACTURE CO., LTD. No. 29 Kanghong West Rd., Nanpian INDUSTRIAL ZONE, Juxi town, Ouhai.WENZHOU.CHINA Graphite ring (hot pressed graphite SUMI) Determination of Lead and Cadmium Extract reference to AOAC 973.32 or AOAC 973.82 MTG STANDARDS TESTING & CERTIFICATION CENTER www.fdacn.org

Test Report Test Item(s) Complied by P’l-bfK Xu Inspected by j_J Authonzedby _"'y( Q(o*y/e- Li C hinghai Accredited Signatory igT«kmcCo.Ud Aid 1 FNo 4 jfcziScg Hunt K-Teck Ialiisu; tak. So USO. Be is Foal Ba;aaj Eumct Kasfdm HOWL Cbm HethatlOC6-721-72J TU-S6 S714730 6535 Fiv-S6 5T14990 0719 E-oulitMuQ.-vpoap coca U'ebure mr»un<l com

Shanghai Sample Room Wenzhou Sample Room

Shanghai Songjiang Office Shanghai Pudong Office

Wenzhou Mold machining Center

Rubber Injecting Rubber Trimming

Leakage Testing Impeller Injection

Shanghai Assembly Center Wenzhou Assembly Center

Loaestic Center '

 Auto cooling pump seal, dish-washing seal, sanitary pump seal Trisun assemble 7 million mechancial Dust Free Workshop seals annually, We always aims to OEM market . In order to match the strict requirments of Food Manufacturing and Sanitary Industry,Our mateiral also have FDA,NSF, WARS and TUV1935 certification. Trisun OEM standard seal will have 100% air static testing before shipment. Automatic Retainer Healing Automatic Leakage Testing

Seal Rotating Life Test Bench Chemical pumps Rotating Life Test Bench Auto-cooling pump testing system Compressor Test Bench Seal Static leakage testing system Runout Detector

Auto Control Valve Detector Rubber Tensile Tester Precision Spring Testing Sulfide Tester

 Our R & D team members ： PhD supervisor:1 person， PhD: 3 persons, Senior engineer:2 persons, 5 years working experience engineer(fluid industry, polymer materials): 6 persons Research & Development • • • Impeller hydraulic model design of centrifugal pump, mixed-flow pump, axial flow pump and other special pump. Performance optimization of all types of turbine and pump Flow field numerical simulation and performance prediction of fluid machinery Project Performance • • • • • • (National "South-to-North water diversion" project ) Chemical axial pump’s numerical analyze and optimization (...

3D Printing applied in the tooling design and new products development • We use 3D printing technology in industrial product design and development process (such as pump housing, thermostat, pulley, impeller, etc.). Designers can use this method to quickly convert the computer graphics to physical model in order to improve the accuracy of design and shorten the product development cycle. Nozzel Prototype by 3D printing Final Products by Tooling

State-of-the-art Technology • Through computer numerical simulation , we obtain accurate parameters of mechanical and thermodynamic properties to design outstanding, stable and reliable dry gas seals. Advanced Processing Techniques • The high-performance laser equipment can process all kinds of dynamic pressure grooves on the surfaces of the different material rings Abundant Product Models • The product range covers pump seals, compressor seals and agitator seals. Besides our standard product models, we can also provide special design according to customers requirements. The First-class R&D...