Dongguan Lishi Industrial Investment Co., Ltd.

Founded in 2009, Dongguan Gravel Industrial Investment Co., Ltd. and Hong Kong Gravel Enterprise Co., Ltd. are dedicated to the research and application of vacuum sputtering and evaporation coating technologies for chips and microelectronic sensors, the preparation of various industrial ceramic materials, sample manufacturing and mass production of precision ceramic processing components, as well as injection molds and die-casting molds, continuously investing funds and resources.

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E

Electrical Ceramics

10 products
E

Electrical Ceramics

27 products
S

Semiconductors

1 products
T

Titanium Bars

1 products

About Us

Founded in 2009, Dongguan Gravel Industrial Investment Co., Ltd. and Hong Kong Gravel Enterprise Co., Ltd. are dedicated to the research and application of vacuum sputtering and evaporation coating technologies for chips and microelectronic sensors, the preparation of various industrial ceramic materials, sample manufacturing and mass production of precision ceramic processing components, as well as injection molds and die-casting molds, continuously investing funds and resources.

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Integrity Score

100.00

Fulfillment Score

Our Brand

Dongguan Lishi Industrial Investment Co., Ltd. is committed to excellence in B2B manufacturing and global trade.
We combine quality craftsmanship with innovative technology to deliver products that exceed expectations.
Our dedicated team ensures every shipment meets the highest standards of quality and reliability.

Quality Assurance

Rigorous quality control at every production stage

Global Reach

Exporting to markets worldwide with reliable logistics

Customer First

Dedicated support team for every client partnership

Our Business Stats

Trusted by global partners — our numbers speak for themselves

15+

Years Experience

500+

Products

50+

Export Countries

3000+

Happy Clients

Our Products

Browse our complete product catalog

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Zirconia ceramic component blocks, oxidation resistant, high-temperature resistant, industrial ceramic high-frequency insulation, special-shaped structural ceramic parts
Zirconia ceramic component blocks, oxidation resistant, high-temperature resistant, industrial ceramic high-frequency insulation, special-shaped structural ceramic parts

$2.00

MOQ: 10

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Zirconia ceramic sheet ZrO2 high-frequency insulation, wear-resistant and high-temperature resistant, precision thermal insulation ceramic, custom wholesale
Zirconia ceramic sheet ZrO2 high-frequency insulation, wear-resistant and high-temperature resistant, precision thermal insulation ceramic, custom wholesale

$49.19

MOQ: 100

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Zirconia ceramic tubes, high temperature resistant, wear-resistant, corrosion-resistant, smooth, industrial ceramic processing customization, design as drawings
Zirconia ceramic tubes, high temperature resistant, wear-resistant, corrosion-resistant, smooth, industrial ceramic processing customization, design as drawings

$4.92

MOQ: 1

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96% Al2O3 alumina ceramic valve plate, upper water valve plate, high wear-resistant precision sealing ceramic components
96% Al2O3 alumina ceramic valve plate, upper water valve plate, high wear-resistant precision sealing ceramic components

$0.61

MOQ: 30000

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Custom processing of precision components specifically for 99% Al2O3 alumina ceramic semiconductor equipment
Custom processing of precision components specifically for 99% Al2O3 alumina ceramic semiconductor equipment

$291.94

MOQ: 10

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96% Al2O3 alumina ceramic thick sheet, automotive sensor insulation, wear-resistant, high-temperature resistant precision components
96% Al2O3 alumina ceramic thick sheet, automotive sensor insulation, wear-resistant, high-temperature resistant precision components

$0.61

MOQ: 30000

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White zirconia ceramic grippers are used for wear-resistant, high-precision machining equipment
White zirconia ceramic grippers are used for wear-resistant, high-precision machining equipment

$30.59

MOQ: 10

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Vitroceramic glass ceramics can be processed with high-precision ceramic gaskets for custom processing based on drawings and samples
Vitroceramic glass ceramics can be processed with high-precision ceramic gaskets for custom processing based on drawings and samples

$30.59

MOQ: 10

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Alumina ceramic tubes Al2O3 are high-temperature resistant, highly insulating, highly durable and wear-resistant, suitable for textile ceramics and gravel precision processing
Alumina ceramic tubes Al2O3 are high-temperature resistant, highly insulating, highly durable and wear-resistant, suitable for textile ceramics and gravel precision processing

$1.28

MOQ: 10

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Alumina ceramic washers, insulation and heat preservation, precision high-temperature resistance, industrial ceramic parts for custom processing
Alumina ceramic washers, insulation and heat preservation, precision high-temperature resistance, industrial ceramic parts for custom processing

$4.92

MOQ: 10

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Zirconia ceramic components, industrial structural ceramics, high hardness flame retardancy, mechanical semiconductors, gravel parts, customization
Zirconia ceramic components, industrial structural ceramics, high hardness flame retardancy, mechanical semiconductors, gravel parts, customization

$8.30

MOQ: 1

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Alumina ceramic splitter, wear-resistant, high melting and boiling point, textile ceramic parts, non-standard customization, precision processing
Alumina ceramic splitter, wear-resistant, high melting and boiling point, textile ceramic parts, non-standard customization, precision processing

$1.21

MOQ: 10

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Zirconia ceramic bearings, high-temperature resistant wear-resistant rollers, fire resistance and oxidation resistance, high precision, gravel, and industrial bearing sleeves
Zirconia ceramic bearings, high-temperature resistant wear-resistant rollers, fire resistance and oxidation resistance, high precision, gravel, and industrial bearing sleeves

$107.61

MOQ: 5

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Zirconia ceramic shafts, wear-resistant, heat-resistant, price based on drawings, controllable precision, large quantities available, custom gravel processing
Zirconia ceramic shafts, wear-resistant, heat-resistant, price based on drawings, controllable precision, large quantities available, custom gravel processing

$6.00

MOQ: 1

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Alumina ceramic gaskets, heat-resistant, acid- and alkali-resistant, wear-resistant, pressure-resistant ceramic parts, gravel, custom high-purity as per drawing
Alumina ceramic gaskets, heat-resistant, acid- and alkali-resistant, wear-resistant, pressure-resistant ceramic parts, gravel, custom high-purity as per drawing

$13.37

MOQ: 1

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Zirconia ceramic parts, wear-resistant, stable, high-temperature insulation, industrial ceramic processing, custom from drawings
Zirconia ceramic parts, wear-resistant, stable, high-temperature insulation, industrial ceramic processing, custom from drawings

$6.00

MOQ: 1

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Zirconia ceramic rods, high-frequency wear-resistant and corrosion-resistant, industrial precision ceramics, custom processing based on drawings and samples
Zirconia ceramic rods, high-frequency wear-resistant and corrosion-resistant, industrial precision ceramics, custom processing based on drawings and samples

$3.84

MOQ: 1

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Silicon carbide ceramic rings, high-frequency insulating ceramic groove wheels, high hardness through reaction sintering, various specifications, can process porcelain parts
Silicon carbide ceramic rings, high-frequency insulating ceramic groove wheels, high hardness through reaction sintering, various specifications, can process porcelain parts

$0.61

MOQ: 5000

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Zirconia ceramic columns, insulated positioning ceramics, wear-resistant, high-temperature resistant, non-standard custom precision porcelain columns, various specifications
Zirconia ceramic columns, insulated positioning ceramics, wear-resistant, high-temperature resistant, non-standard custom precision porcelain columns, various specifications

$1.38

MOQ: 1

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Zirconia ceramic rings, high purity, high temperature resistance, insulating precision industrial ceramics, customizable in various specifications
Zirconia ceramic rings, high purity, high temperature resistance, insulating precision industrial ceramics, customizable in various specifications

$2.77

MOQ: 10

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Alumina ceramic accessories, high-temperature and wear-resistant, precision high-frequency insulating ceramic parts, custom electrical ceramic processing
Alumina ceramic accessories, high-temperature and wear-resistant, precision high-frequency insulating ceramic parts, custom electrical ceramic processing

$3.69

MOQ: 1

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Zirconia ceramic bushing ZrO2 High temperature resistant, high gloss and wear resistant, acid and alkali resistant, insulation and corrosion protection, custom ceramic bushing
Zirconia ceramic bushing ZrO2 High temperature resistant, high gloss and wear resistant, acid and alkali resistant, insulation and corrosion protection, custom ceramic bushing

$11.53

MOQ: 1

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Alumina ceramic rings, high temperature and corrosion resistant, highly insulated, high-strength ceramics, precision processing, custom upon drawing
Alumina ceramic rings, high temperature and corrosion resistant, highly insulated, high-strength ceramics, precision processing, custom upon drawing

$2.77

MOQ: 1

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Impact and wear resistant, zirconia ceramic rods, solid ceramic shafts, custom with drawings, precision machinability
Impact and wear resistant, zirconia ceramic rods, solid ceramic shafts, custom with drawings, precision machinability

$2.92

MOQ: 1

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