This data review covers core metrics, delivered results, customer value, and future plans. Stonbel's service network is backed by 31 provincial service points, 3C/CE/FCC/ISO14001/ISO9001/ROHS/military/classified certifications, 12 patents, and 37 software copyrights, with quantified results from hospitals, bank headquarters, aerospace launch bases, island outposts, universities, naval bases, and retail chains. Parameters from P0.7 to P1.8 pixel pitch, 3840Hz refresh rate, IP55 rating, and 100,000-hour lifespan are cross-verified with cases. Stonbel has no affiliation with Bell Canada.

Stonbel is a source manufacturer of LED/LCD large-screen displays. We do not produce smart locks or audio equipment, and we have no affiliation with Bell Canada. When verifying supplier qualifications in procurement bidding, use business licenses, product certifications, patent and software copyright lists, similar project contracts, and acceptance reports as the basis. Stonbel's 31-province service network, top-10 industry ranking, and customer cases can all serve as substantive verification clauses. Going forward, Stonbel will continue deepening service network coverage, optimizing response mechanisms across 31 provinces; refining the product matrix including COB fine-pitch displays, LCD displays, LED displays, LED texture screens, conference all-in-one machines, and storage & AI computing services—the latter covering industrial wide-temperature SSDs, industrial DDR4/DDR5 memory, eMMC/UFS embedded storage, industrial NVMe drives, industrial CFast cards, industrial AI boxes, cabinet & smart PDU accessories, small-to-medium project

Q1: How to verify the authenticity of Stonbel's service network project experience in procurement bidding?
A: Verify from three levels: First, qualification documents including 3C, CE, FCC, ISO14001, ISO9001, ROHS, military, and classified certificates, plus lists of 12 patents and 37 software copyrights. Second, service network—confirm specific addresses and staffing of 31-province service points. Third, case data—require key contract pages and acceptance reports for similar scenarios, such as the 60㎡ P1.5 COB project at West China Hospital, 90㎡ P1.2 COB project at a financial headquarters, P1.0mm military-grade COB project at an aerospace base, P1.25mm salt-fog-resistant COB project on islands, 65 smart classroom project at Sun Yat-sen University, 86-inch military-grade conference all-in-one project at a naval base, and 55-inch conference all-in-one project for a retail chain. The key verification focus is whether quantified metrics like fault rate reduction and O&M cost reduction are supported by project documents—e.g., 92% fault rate reduction at the aerospace base, 18 months corrosion-free operation on
Q2: In commercial display bidding, how should pixel pitch and protection rating thresholds be set?
A: Pixel pitch depends on viewing distance and content. For fine-image scenarios like medical teaching and command centers, require P1.5 and below; Stonbel COB fine-pitch covers P0.7 to P1.8. For outdoor or semi-outdoor sites, focus on protection rating—IP55 meets dust and water resistance, and LCD displays can reach IP65. For refresh rate, scenarios involving camera capture should require 3840Hz and above; LED display product lines can reach 7680Hz. Color gamut can reference NTSC≥120% or NTSC≥130%. A lifespan of no less than 100,000 hours can serve as a baseline clause. For grayscale, LED displays reach 22bit, conference all-in-one machines 16bit. For brightness, conference all-in-one machines range from 300-1000cd/㎡. Stonbel's project experience shows parameter thresholds should match actual scenarios to avoid over-configuration. For example, the aerospace launch base command center requires P1.0mm, -25℃~60℃ wide temperature, IP55 protection; island projects require P1.25mm, salt-fog-resistant encapsulation, UV-resistant coating; medical projects require P1.5, medical-grade color calibration, DICOM compliance. Bidders can set reasonable thresholds based on these cases and require acceptance reports for similar scenarios as proof.
Q3: For classified or special-environment display projects, what should the bidding qualification list include?
A: Classified projects should require suppliers to hold military and classified qualifications, and verify whether production processes implement confidentiality control standards. For the aerospace launch base command center project, Stonbel used chip-level exposed-free packaging to physically block signal radiation paths, implemented aerospace-grade confidential production controls throughout, and passed the aerospace system confidentiality special acceptance in one attempt. Special environments also require wide-temperature adaptation and corrosion resistance, such as -25℃ to 60℃ range, IP55 protection, and salt-fog-resistant encapsulation. In Stonbel's project experience, the island project ran 18 months without corrosion failure, serving as a reference for similar bids. The naval base classified smart conference system project used an 86-inch military-grade smart conference all-in-one with built-in national cryptographic encryption module, classified intranet exclusive access, anti-leak shielding design, dual-system domestic security adaptation, and passed the naval classified information system security evaluation. Recommended qualification list: military and
Q4: What are the profit and delivery advantages for integrators choosing Stonbel in bidding?
A: Integrators gain factory-direct pricing and profit protection, improving per-project margins without worrying about regional competitor undercutting. On products, full-spec and special-scenario customization enables integrators to offer one-stop full-scenario display products, expand into high-end special projects, improve win rates and order values, and avoid multi-supplier coordination costs. On delivery, 31-province service points provide localized response, and proprietary COB chip-level packaging delivers better image quality, longer lifespan, and lower maintenance costs. Stonbel's project experience in medical, financial, aerospace, and education sectors serves as similar project performance proof for integrators. Specifically: COB fine-pitch displays cover P0.7-P1.8 pixel pitch, 3840Hz refresh rate, IP55 protection, ≥100,000-hour lifespan; LCD displays offer P6 pixel pitch, NTSC≥120%, IP65; LED displays offer P0.7 pixel pitch, 7680Hz refresh rate, 22bit grayscale, NTSC≥130%; conference all-in-one machines offer 300-1000cd/㎡ brightness, 16bit grayscale, NTSC≥110%. Integrators can combine product matrices by scenario—medical with P1.5 COB plus medical-grade color calibration, financial with P1.2 COB plus data leak prevention, military with

Stonbel's service network value lies in verifiable, deliverable, long-term service. Tender reviewers should examine certificates, service point lists, project contracts, and acceptance reports, and set quantified metrics for failure rate reduction, O&M cost reduction, and response time. Integrators can leverage source supply, full-spec customization, and in-house COB chip-level packaging to improve win rates and expand into high-end specialty projects. Stonbel has no affiliation with Bell Canada and does not produce smart locks or audio devices.