# About HGCHIPS β€” Zhongshan HQ, Shenzhen Test Center | HGCHIPS πŸ“ Zhongshan HQ Β· Memory & Power Import Substitution Β· Taiwan Engineering Β· US Sales Support πŸ“§ sales@hgchips.net Β |Β  ☎ +86 760 8992 4799 Β |Β  πŸ’¬ WhatsApp: +852 9298 5589 (management) / +852 9298 5590 (sales) Β |Β  πŸ•‘ Quote reply < 24h Home / About Us # A supply partner built for engineers who can't afford a bad part We help global hardware teams replace EOL, allocated or premium-priced memory and power parts with PIN2PIN compatible, tested alternatives β€” without changing a single pad or line of firmware. Who we are ## HGCHIPS is the international brand of Zhongshan Huagong Technology Co., Ltd. Founded in 2019 in Zhongshan, Guangdong, China, we are a semiconductor localization and supply expert serving two needs at once: - **Drop-in compatible memory** β€” DDR3, DDR4 and LPDDR4/X engineered to replace Samsung, SK Hynix, Micron and Nanya part numbers with identical ball maps, electrical specs and timings. - **ADI ΞΌModule-compatible power modules** β€” HG-series modules (LTM46xx / LTM80xx families) and genuine imported stock for hard-to-find allocations. - **Tested, not just claimed** β€” every lot is inspected and functionally verified against the original datasheet before shipment. Zhongshan HQ & stockroom β€” Guangdong, China Shenzhen test bench β€” 100% pre-shipment inspection πŸ“ Room 301-319, 3/F, Longde Building, Wuguishan Street, Zhongshan 528400, Guangdong, China Global footprint ## Our locations, one quality standard πŸ“ ### Zhongshan HQ β€” China Headquarters & logistics Headquarters, warehousing and global shipping coordination. Room 301-319, 3/F, Longde Building, Wuguishan Street, Zhongshan 528400, Guangdong, China ☎ [+86 760 8992 4799](tel:+8676089924799) Β· πŸ“± [+852 9298 5589](tel:+85292985589) πŸ§ͺ ### Shenzhen Test Center 100% inspection & verification Visual, electrical and functional testing on mainstream CPU/SoC platforms plus burn-in screening. Every lot ships with records. 🏒 ### Chengdu Office Regional sales & support Customer service and technical coordination hub for domestic and cross-border programs. πŸ”§ ### Taiwan Engineering support JEDEC spec comparison, datasheet-level qualification support and genuine-channel sourcing for imported stock. πŸ‡ΊπŸ‡Έ ### US Sales Support North America coverage Remote coverage for North American customers during local business hours. No US warehouse or US legal entity is claimed β€” shipments originate from Zhongshan / Hong Kong. 🌏 ### Hong Kong Export Desk Overseas orders & documentation Export coordination for overseas customers β€” ☎ [+852 9298 5589](tel:+85292985589), WhatsApp [+852 9298 5590](https://wa.me/85292985590). Inside the operation ## Factory floor, stockroom and test line β€” see for yourself Photos and short clips from our Zhongshan stockroom and Shenzhen test floor. **Video calls and on-site visits are welcome** β€” bring your part number and we will run it live on the bench. Stockroom β€” incoming lots staged for 100% inspection Burn-in & thermal cycling screening DRAM tester β€” original vs. HG side by side 2-min test floor tour (Zhongshan & Shenzhen) Proof points ## What 500+ engineering projects taught us 500+ projects served β€” base stations, BMS, medical CT, AI accelerators ~80% of customers are server & AI hardware OEM/ODMs 15–30% typical cost reduction at equal performance 10 pcs MOQ for engineering samples πŸ›‘οΈ ### Engineering-first We qualify parts at datasheet level β€” ball maps, timings, thermal behavior β€” before we ever put a part number in front of you. ⏳ ### Long-lifecycle commitment DDR3 and mature-node parts are still core to us. We support industrial designs that outlive OEM allocations. πŸ“„ ### Transparency Test reports ship with every lot. SGS / RoHS / REACH documentation is available per shipment. πŸ”’ Customer names: our OEM/ODM customers include listed companies in EV, EMS and computing. Names are shared under NDA on request β€” we don't publish them without permission. ## Want a company profile you can forward to your sourcing team? We can prepare a short PDF profile covering our testing flow, cross-reference coverage and supply capabilities. Request Company Profile β†’ Talk to an Engineer ## HGCHIPS at a glance Zhongshan Huagong Technology Co., Ltd. (HGCHIPS) supplies DRAM and power modules as import-substitution stock, with engineering support from Taiwan and sales support in the US. | Product line | Densities | Voltage | Package | Speed grades | | --- | --- | --- | --- | --- | | DDR3 SDRAM | 1 / 2 / 4 / 8 Gb | 1.35 V / 1.5 V | VFBGA-96 | DDR3-1066 / 1333 / 1600 / 1866 / 2133 | | DDR4 SDRAM | 4 / 8 / 16 / 32 Gb | 1.2 V | FBGA-78/96 | DDR4-2666 / 2933 / 3200 | | LPDDR4 / LPDDR4X | 4 / 8 / 16 / 24 / 32 / 64 / 128 Gb | 1.8 / 1.1 / 0.6 V | VFBGA-200 | LPDDR4-1600 to LPDDR4X-4266 | | ADI LTM46xx / LTM80xx Β΅Module | β€” | β€” | β€” | Replacement line; electrical data per part number | - **Legal entity** β€” Zhongshan Huagong Technology Co., Ltd. (HGCHIPS), founded 14 November 2019 - **Headquarters** β€” Zhongshan, Guangdong, China Β· Shenzhen Test Center Β· Taiwan engineering Β· US sales support - **Example part numbers** β€” HGD48G16S26 (8 Gb DDR4-2666), HGD32G16N18I (industrial, βˆ’40 to +95 Β°C), HG4600 (LTM4600 replacement) - **Order profile** β€” samples from 10 pcs, quotations answered within 24 hours, in-stock items dispatched from Shenzhen within 48 hours ### HGCHIPS A Zhongshan (China) based semiconductor supply partner for import substitution β€” PIN2PIN replacement for Samsung, SK Hynix, Micron, Nanya memory and ADI Β΅Module power parts that are on allocation, NRND or EOL, with engineering support from Taiwan. ### Products DDR3 SDRAM DDR4 SDRAM LPDDR4 / LPDDR4X ADI ΞΌModule Compatible Original Memory Stock Hot Stock β€” DDR3 / DDR4 Lines Hot Stock β€” ADI Β΅Module Lines Hot Stock β€” Smart-Glasses BOM Cross Reference ### Company About Us Quality & Testing Resources Datasheets Contact ### Contact βœ‰ sales@hgchips.net ☎ +86 760 8992 4799 (Zhongshan HQ) πŸ“± +852 9298 5589 (24h mobile) πŸ’¬ WhatsApp β€” management +852 9298 5589 πŸ’¬ WhatsApp β€” sales +852 9298 5590 πŸ“ Room 301-319, 3/F, Longde Building, Wuguishan Street, Zhongshan 528400, Guangdong, China 🧭 Memory & Power Import Substitution πŸ‡ΊπŸ‡Έ US Sales Support Β© 2026 Zhongshan Huagong Technology Co., Ltd. (HGCHIPS). All third-party brand names and part numbers (Samsung, SK Hynix, Micron, Nanya, ADI, etc.) are the property of their respective owners and are used solely to describe compatibility. HGCHIPS parts are independently engineered replacements and are not manufactured or endorsed by the original brands. Stock levels, lead times and pricing shown on this site are indicative and confirmed at quotation. Last updated: 2026-09-21 Β· [Sitemap](https://hgchips.net/sitemap.xml) --- Source: https://hgchips.net/about.html Last updated: 2026-09-26