PCB TECHNICAL SOLUTIONS LIMITED Competitors

Sunstone Circuits® is the established leader in providing innovative and reliable printed circuit board (PCB) solutions for the electronic design industry. With 50 years of experience in delivering high quality, on-time PCB prototypes, Sunstone Circuits is committed to improving the prototyping process for the design engineer from quote to delivery. Our recent merger with American Standard Circuits (ASC) makes us a total solutions provider; adding the capability for manufacturing quality rigid, metal-backed, UHDI, RF/microwave, flex, and rigid-flex PCBs for the medical, automotive, industrial, defense, and aerospace markets in volumes from test and prototypes to large production orders. Through ASC’s Global Sourcing Division’s network of established manufacturing partners across the globe, our customers can take advantage of reduced cost on the following products: All types of printed circuit boards Metal fabrications such as stamping, die casting and CNC machining. Wire harnesses and cable assemblies Plastic injection molding, vacuum, over and blow molding Membrane switches and graphic overlays Transformers and coils For more information about Sunstone's innovative PCB solutions, or to learn more about the online quote and ordering process, please visit www.Sunstone.com.

APCT is a leading manufacturer of high reliability printed circuit boards. We strive daily to be able to answer our customer’s needs. We work diligently to offer with confidence technology solutions from standard rigid through-hole, to the more advanced HDI via in pad product, to Flex and Rigid Flex. BUSINESS SUMMARY Annual Revenue: $100+ Million Facility: 180,000 Sq. Ft. Employees: 500+ Manufacturing Sites: 4 Sites Global Distribution Sites: 5 Sites Working Shifts: 3 Shifts - 24 Hours/Day CERTIFICATIONS • ISO 9001 Certified • AS9100D Certified • MIL-PRF-31032 Certified (MIL-P-55110 Certified) • MIL-P-50884 Certified • ITAR Registered at all sites • IPC 6012 Class 3 & 3A • IPC-6013 Class 3 & 3A • IPC-1791 Trusted Electronics Qualified Manufacturers Listing (QML)* *APCT Anaheim & Orange County Only QUANTITIES • Prototypes • Mid-Production • Production Orders through Offshore Partnerships DOMESTIC/OFFSHORE TECHNOLOGIES RIGID THROUGH-HOLE Standard: 2 – 28 Layers Advanced: 30 – 38 Layers Development (NPI only): 40+ Layers HDI; BLIND/BURIED/STACKED VIA Lam Cycles: Up to 8x Micro BGA Pitch: .2 Millimeters FLEX / RIGID-FLEX Standard Flex: 1 – 6 Layers Rigid Flex: 4 – 22 Layers Rigid Flex HDI Lam Cycles: Up to 2x DOMESTIC LEAD TIMES RIGID THROUGH-HOLE Standard: 20 Days 2 – 10 Layers: 24 Hours 12 – 24 Layers: 48 Hours HDI; BLIND/BURIED/STACKED VIA Via in Pad Standard: 20 Days Via in Pad Expedited: 3 Days HDI Standard: 25 Days HDI Expedited: 5 – 12 Days FLEX / RIGID-FLEX Flex 1 – 6 Layers Standard: 25 Days Flex 1 – 6 Layers Expedited: 5-15 Days Rigid Flex 4-22 Layers Standard: 25 Days Rigid Flex 4-22 Layers Expedited: 20+ Days Rigid Flex HDI 2x Lam Cycles: 30 Days APCT GLOBAL APCT Global offers complete custom program management solutions. Every customer has unique and specific needs. We build solutions that fit those needs. APCT has the resources domestically and abroad to offer peace of mind from initial

PCBWay has specialized in PCB prototype, small and medium batch production. It was founded in 2014, and we are constantly growing. With over 15 years’ professional experiences and advanced manufacturing capabilities of our factories, in the past 4 years, our products have been well marketed in 150 countries and used by 250,000 clients around the world. PCBWay key highlights: 1. Quality assurance & Cost-effective: At the beginning of 2018, we’ve spent $2,000,000 in ordering a whole set of Surface Treatment Equipment Automatic Copper Production Line. We’ve also adopted the most used testing and inspecting equipment in the industry, such as Flying Probe Tester, X-Ray Inspection Machine, Automated Optical Inspection (AOI) Machine. With our 5 PCB & PCBA factories in Shenzhen, our pricing is transparent without extra fee, which is very competitive. 2. One-stop online self quote-order system (you just need to fill in the information for a free quotation), with 24h/7d online customer service. 3. Headquarter in Hangzhou, business office in Paris which provides direct service and a good communication for our clients. 4. With more than 70 persons in senior management team and senior engineer team, 50 persons in commercial team and 500 persons in professional production team, our vision is to help engineers and companies build more amazing projects and bring their ideas to life.