China factory directly sale reddish 99.99% 51 76 80 90 100 120 150mm pure hollow copper sphere

Advantage of copper hollow ball:
1.Good electric conductivity, be used in the carburetor, auto parts and other products, etc
2.Competitive price,delivery in time
3.Samples could provide
Applied Area
Valves,sprayers, instrumentation, pressure gauge, meter, carburetor,
floating , craftwork ,electrical conductivity, electronics industry and
heat conductivity etc.
Speciality
electrical heat conductivit and heat conductivity etc
Plated
zinc,silver,glod,nickle,chrome etc
Resistance
sensitive to corrosion from a variety of agents,relative soft metal
Copper composition
997-99.9%
Surface
polishing and plated
Processing
welding,cutting,drilling,etching,painting,plated
Chemical Composition of Material.%
Material No.
Chemical Composition
Cu
Pb
Zn
Fe
So
Bi
Pure Copper
Reddish Copper
99.7-99.9%
0.005%
0.005%
0.005%
0.002%
0.002%
Copper is the perfect conduit for heat and electricity, though balls or spheres made of copper are not recommended to
the occasions or situations where they are exposed to corrosive liquids or appliances under high stress. These balls or
spheres are , however, soft and sensitive to corrosion from various materials. Copper balls or spheres of solid range
from 0.5mm to 300mm, hollow ball from 5mm to 2000mm with 0.8mm to 1cm in thickness. The most sought- for coppers
fall under the category of accessories of clothings, footwear, jewelry and industry. They are also of excellent quality and
superb craftmanship. Solid ball with the very good high precision ,the hollow ball welding is employed in the copper balls
without a noticeable seam and could also be applied in many ways . And we believe they could also be employed for
many fruitful uses.
Our copper balls come with no holes but could be customer- orientated, that is to say, we could add a hole or holes to your ball
as you want. Drilling with small holes is free of charge and please rest assured that everything of the copper balls will come out
as perfect as possible.
Brass Hollow Ball,metal Balls Production
1,cutting the small round plate
2,Install the mould
3,stamping
4,cutting edge
5,drilled a small hole
6,welding the 2 of hemisphere
7,seal the samll hole
8,gringding and polishing
9,If no need brass rust could make a layer of gloss oil or plating brass color on your favour
Hollow Brass Sphere Package
RAQ:seline; line-height: 15.0000pt;">Q: Are you trading company or manufacturer ?
A: We are factory.Offer metal art crafts OEM,ODM service.
Offer A grade export quality products. Alibaba gold supplier 12 years.
Main market are the United States,Europe Australia,Dubai etc,Annual export about three to five million.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to design and quantity.seline; line-height: 15.0000pt;">Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.seline; line-height: 15.0000pt;">Q: What is your terms of payment ?
A: We will send a invoice to you before the order and it will show you our company account. T/T , D/P, L/C ,PayPal , Western Union ,Master card etc.
After get the bank slip ASAP, then we could check and start the production.
Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipment.
Q:Alibaba trade assurance order do you need my shipping address here:
A:Yes,street,postcode ,city,province,country will need.When make payment have any information should make amendment if you can do it on your payment chart it Will be appreciated.
Q:How about the after sale :
A:When on production we’ll send the fabrication photos and videos. When the goods finished ,we will email you the photos for double /confirm/i.
Customized order,outdoor sculptures etc install guide also could offer.
Q:Could you make a mould for our new design new products?
A:It’s ok,our branch company for moulding have 500T punching machine,CNC machine ,fast slow wire,middle wire for wire cutting ,large water grinding hand gringding and machine processing ,rocker drilling,milling machine etc.Do don’t worry for new products moulding.
Q:What’s your feeding back time?
In 15mins ,drawing time 24-36 hours,even if sleeping time our sales will get up to solve the questions in case of delayed your communicate with your customers,
we are waiting for you online 24 hours everyday!