1. Are you a factory ? 
     Yes, we are a tactory
2.  Do you have any certificate? 
    Yes, we have CE ROHS ISO9001
3. How long is the warranty? 
    2 years
4. can you export directly ?
    Yes, we can export to all over the world.
5. specification

Single Output series
Model No.	Power	DC Output Current(A)					size
	W	5V	12V	15V	24V	48V	mm
S-15-x	15	3A	1.3A		0.7A		99*97*35
S-25-x	25	5A	2.1A	1.7A	1.1A		99*97*35
S-35-x	35	7A	3A	2.4A	1.5A		129*98*38
S-50-x	50	10A	4.2A	3.4A	2.1A		159*98*38
S-60-x	60	12A	5A	4A	2.5A		159*98*38
S-75-x	75	15A	6.2A	5A	3.1A		159*98*38
S-100-x	100	20A	8.5A	6.7A	4.5A	2A	199*98*38
S-120-x	120		10A	8A	5A	2.5A	199*98*38
S-145-x	145	25A	12.5A		6A		199*98*38
S-150-x	150	30A	12.5A	10A	6.5A	3.2A	199*98*38
S-180-x	180	36A	15A	12A	7.5A	3.8A	199*110*50
S-200-x	200	40A	16.5A	13A	8.3A	4.2A	190*110*50
S-201-x	200	40A	16.5A	13A	8.3A	4.2A	215*115*50
S-250-x	250		20A	16A	10.5A	5.2A	215*115*50
S-320-x	320		26.7A	21.3A	13.3	6.5	215*115*50
S-350-x	350	70A	29A	23.2A	14.6A	7.3A	215*115*50
S-400-x	500		33.3A	27A	16.6A	8.3A	215*115*50
S-500-x	500		40A	32A	20A	10A	238*124*65
SP-500-x	500		40A	32A	20A	10A	185*110*93
S-600-x	600		50A	40A	25A	12.5A	238*124*65
S-800-x	800		65A	53A	33A	16.5A	291*132*68
S-1000-x	1000		80A	66A	42A	20A	291*132*68
S-1200-x	1200		100A	80A	50A	25A	291*132*68
S-1500-x	1500		125A	100A	62.5A	48A	295*145*155
S-3000-x	3000		250A		125A	62.5A	295*145*155