BESTWILL LOGO ~ Established In 1977 ~
439 WALD     
IRVINE, CA 92618     
U.S.A.     

TEL:  (949) 502-5700     
FAX:  (949) 502-5300     
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Welcome to Bestwill Corporation!


Welcome to a NEW standard of quality you can depend on!
BESTWILL CORPORATION is a full-service engineering & manufacturing company specializing in the mass production, storage, and distribution of custom-made parts, components, sub-assemblies, and finished products. Based in Irvine, California, we operate, partner with, and maintain our exclusive network of qualified factories, suppliers, assembly lines, and distribution centers around the world.


Stainless Steel Clamps & Retaining Rings; Water Heater Die, Sand, Gravity, and Investment Castings; Water Heater & HVAC Copper Tubing; Scuba Diving Quick Connectors and Parts; Clean Electricity-Generating Wind Turbines; Swimming Pool Heat Exchanger Die, Sand, Gravity, and Investment Castings and other Gray Iron, Aluminum, Zinc, Bronze, Brass, and Stainless Steel Castings; Copper High-Finned Tubes; Bronze Forged Gas & Plumbing Valves and other Carbon Steel, Alloy Steel, Stainless Steel, Aluminum, Brass, Copper, and Zinc Forgings; Industrial Battery Chargers, Transformers, and Sheet Metal Enclosures are only a fraction of our mass produced custom-made products!


All products we manufacture and distribute are entirely dependant on, and made specifically for, our clients according to their designs and specifications. Therefore we do not carry nor sell any ready-made, off-the-shelf products. Instead, we offer our full line of services, expertise, and resources to our clients in order to develop, manufacture, stock, and deliver their custom-made products exactly how they want them... when they want them.


Our services include:


CUSTOMER SERVICE: Technical Consulting & Assistance (includes product design, product optimization, engineering, manufacturing & production, and quality assurance); Technical Support (from knowledgeable sales professionals & experienced industry engineers); On-Time Order Processing & Fulfillment; On-Demand Order Status & Delivery Updates; Seamless Communication & Data Sharing; 24/7 Customer Service Hotline. MATERIAL SOURCING: Global Material Supplier Network & Partnerships (both domestic & overseas); Raw Material Bulk Buy & Procurement Options (such as fixed material price for pre-purchased orders, and batch material purchase price for pre-scheduled orders); Domestic Supplier Management (if U.S. components or assembly is required); Overseas Supplier Management (if overseas components or assembly is required).
MANUFACTURING & ASSEMBLY: Die Casting, Sand Casting, Investment Casting, Gravity Casting, and more (using bronze, brass, gray iron, aluminum, zinc, stainless steel, etc); Forging (using carbon steel, alloy steel, stainless steel, aluminum, brass, copper, zinc, etc); Bar Extrusion, Rod Extrusion, Tube Extrusion, Wire Extrusion, and more (using copper, aluminum, brass, steel, etc); Tube Finning (using copper, cupronickel, aluminum, steel, etc); Deep Drawing; Laser Cutting; CNC Machining; Plastic Injection Molding; Product Assembly (either domestic or overseas or both); ...and much more! QUALITY CONTROL: On-Site Quality Assurance Teams in every Production & Assembly Facility; Raw Material Testing & Inspection before Production; First Article Inspection; QA Testing and/or Inspection between every Manufacturing Stage; Detailed QA Testing & Inspection at Completion of Production & Assembly; Random Sample QA Testing & Inspection before Delivery; Statistical Process Control; Close Cooperation with Client's QA Department.
WAREHOUSING & STORAGE: Domestic Storage & Distribution (makes use of U.S. locations for expedient delivery & easy access, minimized lead times, quick response times, and a convenient holding location); Warehouse Stock (includes flexible stocking options according to customer needs & requirements); Buffer Stock (is maintained according to client forecasts, based on stock history, and held in accordance to contracts & agreements); Loading Dock & Heavy Lifting Equipment (is needed for quick & convenient loading & unloading, and easy stock staging & stock transfers). TRANSPORTATION & DELIVERY: Domestic & Overseas Transportation Management (including overseas land freight, overseas customs, air freight, ocean freight, U.S. customs, domestic land freight); Coordinated Delivery to Client (includes Kanban, Just-In-Time, & automatic release programs, pre-scheduled or blanket order releases, flexible on-demand releases by telephone, fax, and e-mail).


With our services, our clients experience a wide range of benefits and advantages such as:

  • Superior Product Quality

  • Increased Production Capacity & Capabilities

  • Convenient Pre-Assembled & Pre-Packaged Sub-Assemblies

  • Larger Domestic Storage Capacity

  • Minimal Product Shortages

  • Improved On-Time Delivery Rates

  • Easier Project Management

  • Overall Product Cost Reduction



    • All we need to get started are the following:

  • Manufacturing & Engineering Drawings, Diagrams, and/or Specifications

  • Assembly Drawings, Diagrams, and Instructions (if assembly is required)

  • 3D CAD Model Files (if available)

  • A Sample Product (if available)

  • Monthly Demand, Forecast, and/or Usage History (12 months if available)

  • Total Order Quantity (for quotation)


    • ...and we'll do the rest!



    For more information or to schedule an appointment, please contact us at:


    Bestwill Corporation
    439 Wald
    Irvine, CA 92618
    U.S.A.

    TEL:  (949) 502-5700
    FAX:  (949) 502-5300

    EMAIL: Sales At Bestwillcorp Dot Com

    Click here to download our brochure!
    Certified Member of the National Minority Supplier Development Council
    Certified Member of the Southern California Minority Business Development Council
    Certified Member of The Supplier Clearinghouse
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