Component Assembly  Manufacturers, Traders, Suppliers

GDI offers manufacturing services tailored to the specific needs of partners for projects in various industries, ranging from producing a specific injection part to opening a new facility with dedicated teams and machinery.
Our goal in any partnership is to deliver a high quality product at an economical cost in order to enable our partners to become quality and cost competitive in their industry and to develop a strong long term partnership with them.
All GDI business ventures are strictly confidential. GDI Corporation consists of subsidiaries that focus on specific areas. GDI is the largest ISBM bottle producer in Bulgaria.
Service include:
-Manufacturing within a Clean room, Class 8
-Manufacturing of plastic components, Injection Molding
-Manufacturing of plastic bottles, Injection Stretch Blow Molding/ Blow Molding
-Printing on plastic components/bottles
-Blister Packaging of components
-Ultrasonic Welding of plastic components
-Assembly of semi-finished or finished products
GDI has several trucks that deliver partner products in Europe, a total of 28 vehicles.
Core values:
Quality: Quality is integrated into our culture and we always aim to exceed partner expectations.
Continuous Development: We invest in the development of our people and organization and strive to keep improving and moving forward.
Loyalty: We view our clients as partners and treat them with respect, fairness, and integrity, expecting the same in return.
Partnering with GDI:
At GDI, we strive to build strong long term relationships with our partners while seeking new business ventures for continuous development and growth. We take on projects from mass production to entrepreneurial startups. We work closely with our partners to ensure that we provide the best product or service, supporting their market growth. All GDI clients will receive the following new project services upon request:
-Production Tool Solution & Quotations
-Logistical Solutions & Quotations
-Product Properties & Design Solutions & Quotations
-3D Printed Prototyping in house & QC testing
-Graphical Design Solutions & Quotations
-Product Packaging Solutions & Quotations
-GDI wide networking allows us to partner with a wide range of companies both nationally and internationally to execute customer-specific project requirements.
-Complying with international regulations and standards for each desired product.
-Complying with ISO11607 1, ISO11607 2, NF EN868 5, ISO11737 3, ISO14644, ISO14971 and others upon request.
-Full Confidentiality with all our business partners.
-Working with a variety of polymer types such as TPE, Silicone, Bio Material, and others.
-Full traceability with details for each production phase.
-Certified ISO 13485 Medical devices Quality management systems Requirements for regulatory purposes.
-Certified ISO 9001:2015 Quality management systems Requirements.
-Certified Smeta 2 Pillar and SQP.
-100% Made in Europe.

RAFI Eltec is a technical services provider that develops and produces electronic assemblies and systems according to customer-specific requirements – from the idea to the finished product.
Our location in Überlingen at Lake Constance is situated in the heart of Europe. RAFI Eltec is easily accessible with its excellent connections to the highway and railway networks and to the international airports in Zurich, Stuttgart and Friedrichshafen. We also benefit from great links to the latest technical innovations – thanks to our partners and their drive to continuously develop their businesses.
Providing maximum quality for your ideas and products is what motivates us. This is the spirit of RAFI Eltec. To achieve this, we introduce our high quality standards to projects even before manufacturing begins. As a result of our expert analysis of customer data, potential pitfalls are eliminated in advance. We document sample productions in detailed test reports and discuss them with you. Due to our state-of-the-art testing technology and our in-house test equipment construction, we increase the quality of your production while simultaneously reducing logistics costs.
You can rely on support from the right contact partner for you – whether you are approaching us for the first time or during the production process. We expertly answer all your questions and achieve our mutual goal: your satisfaction and success.

ISO 9001、ISO14001、ISO45001

APC functions as a specialized Electronics Contract Manufacturer delivering end-to-end Electronics Manufacturing Services (EMS) solutions, established in 2004.
Precision-Driven Electronics Manufacturing with Global Standards Compliance
Certified Excellence
Equipped with ISO9001, ISO13485, and IATF16949 certifications, our operations adhere to the stringent IPC-A-610E industry standard. This commitment to quality ensures reliability across automotive, medical, and industrial applications, aligning with global benchmarks for defect prevention and traceability.
Cutting-Edge Production Facilities
4,000㎡ Smart Workshop:
SMT Lines: Panasonic & Hanwha high-speed placement machines (01005 components, 0.25mm BGA pitch).
Soldering & Inspection: German ERSA vacuum reflow, 3D-SPI/AOI, and X-ray for micro-defect detection.
Advanced Tools: BGA rework stations, 3D printing, and laser marking for rapid prototyping.
2,000㎡ Shared Storage: Climate-controlled smart shelves, ESD-safe cabinets, and vacuum packaging to preserve component integrity.
In-House Lab: Waterproof testing (IP67+), mechanical/environmental stress simulations, and failure analysis.
Diverse Industry Applications
From AI-driven robotics to automotive ECUs and medical devices, our PCBA services support:
Industrial Automation: High-reliability control boards.
Vehicle Electronics: IATF16949-compliant designs for safety-critical systems.
Smart Home & Security: Low-power, high-density PCBs.
Customer-Centric Philosophy
"Premium PCB Assembly" defines our end-to-end EMS solutions—blending DFM expertise, NPI support, and scalable production to meet dynamic market demands.

VKP d.o.o. is a growing company with over 30 years of experiance in the field of aluminum foundry and casting for foreign and domestic markets.
With the change of ownership in 2015, rapid growth began with investing in the development and modernization of production.
The company operates with 3 die-casting machines, a washer-dryer machine, a deburing machine, a sandblasting machine and a dedicated CNC turning machine that is customized to the needs of costumers. We produce various products from AI226, AI231, AI 239 and Zn alloys for use in the automotive, electrical, furniture and agro industries.
In 2018, we partnered with Toolmaking Orodjarstvo Jelovčan d.o.o., which ensures quick production of new tools for pressure die casting, as well as quick and efficient maintenance of tools.
In 2020, we obtained the ISO 9001 certificate, with which we prove the quality of the system and our products.