Kongto Technology vs Monitech — Siemens SINUMERIK LCD Upgrade
An honest, fact-based comparison for Siemens SINUMERIK 810/840C/840D/880 CRT to LCD replacement buyers.
Why this comparison exists: We get asked "How are you different from Monitech?" regularly. This page lays out the facts so you can decide. All pricing data verified July 2026. Prices may vary by configuration.
Head-to-Head Comparison
| Category | Kongto Technology | Monitech |
|---|---|---|
| Business Type | ✅ Factory — We manufacture in Shenzhen, China | Reseller — Sources from multiple suppliers |
| Price (Siemens 6FC3988) | $399 | $500-900 (typical) |
| Warranty | 2 years | 1 year (standard) |
| Stock Availability | 200+ units in stock, ships within 24h | Varies, may require lead time |
| Custom Orders | ✅ Custom cables, brackets, panel sizes available | Standard products only |
| Tech Support | Lifetime (WhatsApp + Email + WeChat) | Limited to warranty period |
| OEM/ODM | ✅ Yes — we're the manufacturer | ❌ No |
| Siemens Models Covered | 6FC3988, 6FC3998, 6FC5103, 6FC5203, SM0901, SM1200, 8.4" | 810, 840C, 840D, 880, SM1200 |
| Payment Terms | T/T, PayPal, credit card, Western Union | Credit card, PayPal |
| Shipping Time | 5-10 business days worldwide | 5-15 business days |
When to Choose Kongto
- Budget matters — Factory direct pricing saves 30-50% vs reseller markup
- You need it fast — 200+ units in stock, same-day dispatch
- Custom configuration — Different cable length? Special bracket? We'll build it
- Long-term support — 2-year warranty + lifetime tech support
When Monitech Might Be Better
- US-based buyer — Monitech is in the USA, faster domestic shipping if in stock
- Company policy — Some organizations require US-based suppliers only
- Existing account — If you already have a purchasing relationship with Monitech
The Bottom Line
Both companies provide working solutions. The difference is that Kongto is the factory — you're cutting out the reseller markup and dealing directly with the people who design and build the product. For Siemens SINUMERIK display upgrades specifically, our product coverage is comparable (6 models in production), our pricing is lower, and our warranty is longer.
If you're unsure which solution fits your Siemens machine, send us the details — we'll give you a firm quote within 4 hours, no obligation.