Actually went with the SYC series after the third suplier fell through on lead times — needed something that could handle 2.8 to 30 m³/min at 7 to 35 bar without constant breakdowns in the field, and the direct-driven setup with SKF bearings seemed less likely to give us headaches than belt-driven alternatives we've tried before.
Noise is under 75 dB(A) which is pretty much mandatory for the mining sites we're servicing, and the oil content sits at less than 6 ppm so we won't get complaints about downstream contamination — the multi-stage filtration isn't just marketing fluff, it's what makes these work in dusty conditions where other units clog up in 20 days or so.

We're using these for drilling and construction appliction mostly, though the portable closed-type structure means they can move between sites without much hassle; one thing I'd flag is they're not really suited for indoor use with the diesel engine unless you've got serious ventilation in place.
CE/ISO/TUV certifications are all there on the COAs we requested, and the 1-year the compressor end — engine is typically covered seprately by the diesel manufacutrer, so factor that into your risk assessment when comparing quotes.

Payment terms were standard for this class of equipment, about 30% deposit with the balance against shipping documents, and we usually have stock but confirm lead time because the air-cooled lubricated models with the microcomputer control system sometimes get held up if they're configuring the automatic engine throttle adjustment for specific fuel types.
Shipping weight varies pretty widely depending on teh capacity you order — the 2.8 m³/min unit is manageable on a flatbed, but the 30 m³/min version needs low-loader and customs clearance for oversized cargo, so budget an extra 2-4 weeks for that one.
Typically 15-20 working days for standard configurations. Custom specs may add a few days.
Yes, we have all three — CE, ISO, and TUV. We can share copies before order.
Yes, the multi-stage filtration handles heavy dust well, keeping oil carryover below 6 ppm as long as you follow the maintenance schedule.
MOQ is 1 unit for stock models. For custom builds, we ask for at least 5 units.
It's portable with a closed-type frame and lifting points, but no trailer included. You can mount it on a flatbed or skid easily.