Will I get free sample to have a test before placing order?

No, Seno wont provide customer with free samples unless the exception that you have been our old customer. Old customer MUST meet qualification:
• You must place us at least 1 bulk order(valued USD50,000-10,000)
• Or ,For high power bulb series:You must cooperate with us by purchasing 500PCS/Type in one month, the Type is at least 3 types. For common bulb series: You must cooperate with us by purchasing 1000PCS/Type in one month, the Type is at least 3 types.
• Or,If you are small-order purchaser, as long as you have purchase quantity of 500PCS/month without types restrict. The cooperation time must exceed one year.