We have had a problem with "Contac us" form during last 10 days.
Please resubmit your inquiry if you have not got our reply.
We apologize for the inconvenience caused by this incident.
The "Contact us" form is now working fine.
We are changing our e-mail address as follows.
Current email address
New email address
The change over will happen next 6 months. During this period, you can use either address to reach us. We'll notify again for the complete change over date later.
The model name of YJ-07 and YJ-09 will be changed to YJ-6.5 and YJ-11 respectively.
No changes in mechanical dimensions and performance. It is to match actual inner orifice sizes to the model names.