DLAA is the best quality fog light manufacturer in China

Introduce how to buy auto parts for you

by:DLAA      2020-08-16
1. Packing factory accessories is compared commonly specification, standard specification, printing clear formal, shall be marked with product name, specifications, quantity, registered trademarks, producer name and address and telephone number, etc. , some manufacturer also hit their mark on the parts. 2. See qualified spare parts surface appearance, print or type and legible and formal there are both certain accuracy and polished finish, the more important parts, precision is higher, more rigorous rustproof packaging. When the choose and buy if found parts with rust spots or rubber parts cracked, loss of elasticity, or shaft neck surface has obvious tool lines, shall be returned. 3. Unscrupulous traders watch paint will be used by the simple processing accessories, such as the disassembly and assembly, to spell, gather together, paint and other processing, then pretend to be 'qualified' * *, through the surface paint after the old paint can be discovered. 4. Look bad work product appearance while good sometimes, but because of poor craftsmanship, prone to crack, sand holes, slag inclusion, burr or bruised. Such as cylinder gasket extrusion deformation, when using, easy to cause the untight seal and ablation, lead to the oil, gas leakage and leakage phenomenon. 5. 'Loose' by two or more than two parts, accessories parts by being connected, bonding or between welding and become, not allowed to have loose phenomenon. 6. The assembly mark in order to ensure the parts assembly relations conforms to the technical requirements, some regular parts surface with assembly, such as timing gear, piston top marks, such as assembly mark, mark is used to guarantee the parts installed correctly, without a sign or mark fuzzy cannot recognize, will bring great difficulty to assembly, or even wrong. 7. See gaps complete formal assembly parts must be in good condition, to ensure smooth loading and normal operation. Some assembly of small parts packing, may be a 'gray', to cause difficulties for loading. May even for some small parts shortage, cause the whole assembly parts scrap. 8. The protective layer to facilitate the storage, knock against, prevent parts parts before delivery has a protective layer. Such as piston pin, bearing bush with paraffin wax protection; Piston ring and cylinder liner surface rust-proof oil and paper package; Valve, piston, etc after immersion rust-proof oil encapsulated with plastic bag. When the choose and buy, if find seal set of damage, loss of wrapping paper, rust-proof oil or paraffin loss, shall be returned. 9. See some documents important components, especially the assembly class, such as carburetor, distributor, generators, etc. , factory generally with manual, certificate of approval, to guide users to install, use and maintenance. 10. See the specifications for most car accessories have regulation model and technical parameter. Such as electrical equipment of choose and buy when, should pay attention to check and be in components of the voltage and power are consistent.
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