We are from Ningbo Siming Auto Parts Co.,Ltd. we are writing with hope to establish successful business relationship with your respectable company.
As one of professional manufacture of tire / wheel accessories our range as following,
  1. tire valve and relative fittings for car, truck and buses and TPMS repair kits.
our valves must pass the pull in/out test,hardness ,low temperature and high temperature  and anti-leak test 100%. Our factory have 16 years experience in tire valves fields and have ISO and QS certificate to gurantee the quality.
  2. wheel balance weights including clip-on/ adhesive zinc/Fe / Lead weights for steel or alloy wheel.

all of our weights are universal styles, which can be applied to many different vehicles.Our Steel weights are with Zinc plated and plastic powered , they can pass the salty test more than 200-300 hours.  Production cability 500 tons of balance weights per year.

  3. tire repair tools and accessories
including tire repair patches for innter tubes and covers and strings , instert tools, Air Gauge ,tire Thread measure,Tension rod with bend handle ,Tyre wrench ,Ratchet wrench , Spark plug wrench  ,Gross spanner and so on.

Now we have 200 sets of tools ,  450 types of adapters and annual production cability is 400,000 pcs. with 15 years development , we have passed and carried out ISO 9001 and QS9000, 95% of our products export to European and North of American market.
We own the assets of USD 5,000,000 , factories construction area of 20,000square meters,employees over 280, in which R&D staff of 25.  Also welcome to visit our website: www.siming-china.com to get more detailed information.