What is the diameter of the inner tube and bell?

The inner tube diameter is 11.7mm and the bell diameter is 127mm.

Wholesale 3-Piston Stainless Steel Bb Key Bass Trumpet Professional Performance

Name: Wholesale 3-Piston Stainless Steel Bb Key Bass Trumpet Professional Performance
Brand: Shandong Yunshan Musical Instrument Manufacturing Co., Ltd.
SKU: 2282232955

Shandong, ChinaShandong Yunshan Musical Instrument Manufacturing Co., Ltd.

US$130.00

1-9 Pieces

US$120.00

10-99 Pieces

US$110.00

100+ Pieces

Sample price:US$130.00/piece.Request sample

Product profile

Customization

Available

Instrument Range

Tone

Model NO.

TSTR-801

Body Material

Yellow Brass

Surface Material

Gold Lacquer

Piston Material

Stainless Steel

Color

Gold

Age

Adults

Brand

Taishan

Customized

Item

Trumpet Bb Key Trumpet

Piston

Vertical Stainless Steel Piston

Pisiton Material

Stainless Steel

Selling Units

Single Item

Aqueous Two-Door

Key Adjusted by Little Finger Bracelet

Material

Brass

Feature

Beginner-Friendly

Finish Type

Lacquered

OEM

Instrument Key

ODM

Transport Package

Reinforce Carton Box

Specification

62*22*34CM

Trademark

Taishan

Origin

Shandong. China

HS Code

9205901000

Production Capacity

10000 Pieces/Year

Key features

Professional Bb Bass Trumpet: Features Bb tone and 3 vertical stainless steel pistons for professional performance.

High-Quality Brass Construction: Body made of yellow brass with gold lacquer finish and 11.7mm inner tube diameter.

OEM and ODM Services: Accepts OEM and ODM customization for tailored instrument production.

Established Manufacturer: Shandong Taishan Wind Instruments Manufacture Co., Ltd established in 1987.

International Quality Certifications: ISO 9001 and ISO 14000 certified by SGS, member of China Products Quality Association.

Global Market Presence: Products sold in over 100 countries worldwide including North America and Europe.

Award-Winning Brand: Taishan brand conferred as a famous trademark in China in 2008.

Fast Delivery Options: Peak and off-peak season lead times within 15 workdays.

Company profile

R&D CapabilitiesQuality AssuranceFull CustomizationImporters and Exporters

Shandong Yunshan Musical Instrument Manufacturing Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤8.43h

AI-Powered supplier vetting

SummaryTaishan Musical Instruments, with Yunshan serving as its affiliated overseas sales and customer-service company, is a musical-instrument manufacturer with over three decades of industry experience. Its product range covers saxophones, flutes, clarinets, trumpets, brass and woodwind instruments, percussion, tubas, strings, and keyboards. The supplier reports three production lines, 6–10 R&D engineers, and 6–10 quality-control staff. It provides OEM/ODM and broad customization services, has introduced new products within the past year, and exports 71%–90% of total sales to over 100 countries according to the company description. However, no valid manufacturing-capacity contract with affiliated subcontractors, inventory capability, overseas warehouse, showroom, overseas agents or branches, or offline trade-show participation is reported. Certification, formal customer cases, and environmental or fire-drill documentation are not sufficiently evidenced.

Supplier typeThe supplier is a musical-instrument manufacturer, while Shandong Yunshan Musical Instrument Manufacturing Co., Ltd. is identified as Taishan Musical Instruments' affiliated overseas sales company handling global sales, customer service, and international business operations. Its stated product portfolio spans wind, percussion, string, keyboard, and related instrument categories.

R&D capabilityThe supplier reports new product development within the past year and provides ODM services, indicating active product-development capability. It also reports OEM service for well-known brands, although no SDK is available.

Production capacityThe supplier operates three production lines, employs 6–10 quality-control staff, and uses documented, uniformly followed finished-product inspection instructions. It reports no inventory capability and no valid manufacturing-capacity contract with affiliated subcontractors, so production scale and continuity have some limitations despite the stated factory-manufacturing base.

Customization capabilityThe supplier explicitly offers customization from samples and designs, full and minor customization, flexible customization, and OEM/ODM solutions covering branding, design, and packaging. This provides direct evidence of broad customization capability.