Dear Sir, 
Please send us by return your best quotation for 
Electronic Ballast, 230V for HPS and or MHL lamps.
Wattages 150, 250, 400, 600 and 1000 watts.

Please send Test report for each model showing THD, and harmonic 
measures per rank. Most important is harmonic H3 and H9.
Thanks to indicate power factor and any measures you already have 
done.
Quotations without test report showing efficiency will be deleted.
Need full quotation showing lead time, MOQ, warranty, sample and 
OEM policy.
Any fixture equipped with electronic ballast are welcome too.
Best regards